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23312023232 = 267310746633
BaseRepresentation
bin10101101101100000…
…010011111011000000
32020011122200110222212
4111231200103323000
5340220334220412
614413121321252
71453456633211
oct255540237300
966148613885
1023312023232
119983036103
124627196228
1322769096b4
1411b2111408
159168e6222
hex56d813ec0

23312023232 has 56 divisors (see below), whose sum is σ = 47332763856. Its totient is φ = 11388653568.

The previous prime is 23312023213. The next prime is 23312023237. The reversal of 23312023232 is 23232021332.

It is a junction number, because it is equal to n+sod(n) for n = 23312023198 and 23312023207.

It is not an unprimeable number, because it can be changed into a prime (23312023237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476588 + ... + 523220.

It is an arithmetic number, because the mean of its divisors is an integer number (845227926).

Almost surely, 223312023232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23312023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23666381928).

23312023232 is an abundant number, since it is smaller than the sum of its proper divisors (24020740624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23312023232 is a wasteful number, since it uses less digits than its factorization.

23312023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46825 (or 46815 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23312023232 its reverse (23232021332), we get a palindrome (46544044564).

The spelling of 23312023232 in words is "twenty-three billion, three hundred twelve million, twenty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 73 107 146 214 292 428 584 856 1168 1712 2336 3424 4672 6848 7811 15622 31244 46633 62488 93266 124976 186532 249952 373064 499904 746128 1492256 2984512 3404209 4989731 6808418 9979462 13616836 19958924 27233672 39917848 54467344 79835696 108934688 159671392 217869376 319342784 364250363 728500726 1457001452 2914002904 5828005808 11656011616 23312023232