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23012312 = 232999191
BaseRepresentation
bin101011111001…
…0001111011000
31121022010221212
41113302033120
521342343222
62141122252
7366413201
oct127621730
947263855
1023012312
1111a98544
127859388
1349c956b
1430b05a8
1520486e2
hex15f23d8

23012312 has 16 divisors (see below), whose sum is σ = 44636400. Its totient is φ = 11109280.

The previous prime is 23012309. The next prime is 23012333. The reversal of 23012312 is 21321032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49364 + ... + 49827.

It is an arithmetic number, because the mean of its divisors is an integer number (2789775).

Almost surely, 223012312 is an apocalyptic number.

It is an amenable number.

23012312 is a deficient number, since it is larger than the sum of its proper divisors (21624088).

23012312 is a wasteful number, since it uses less digits than its factorization.

23012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99226 (or 99222 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23012312 is about 4797.1149663105. The cubic root of 23012312 is about 284.4374334119.

Adding to 23012312 its reverse (21321032), we get a palindrome (44333344).

The spelling of 23012312 in words is "twenty-three million, twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 29 58 116 232 99191 198382 396764 793528 2876539 5753078 11506156 23012312