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23001232232 = 2311261377639
BaseRepresentation
bin10101011010111110…
…101111001101101000
32012100222212122220002
4111122332233031220
5334101303412412
614322220122132
71442664151046
oct253276571550
965328778802
1023001232232
119833661240
12455b096348
132227400cb4
141182b2d396
158e94a4dc2
hex55afaf368

23001232232 has 16 divisors (see below), whose sum is σ = 47047975200. Its totient is φ = 10455105520.

The previous prime is 23001232213. The next prime is 23001232259. The reversal of 23001232232 is 23223210032.

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, 130688732 + ... + 130688907.

It is an arithmetic number, because the mean of its divisors is an integer number (2940498450).

Almost surely, 223001232232 is an apocalyptic number.

23001232232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23001232232 is an abundant number, since it is smaller than the sum of its proper divisors (24046742968).

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

23001232232 is a wasteful number, since it uses less digits than its factorization.

23001232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261377656 (or 261377652 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23001232232 its reverse (23223210032), we get a palindrome (46224442264).

The spelling of 23001232232 in words is "twenty-three billion, one million, two hundred thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 261377639 522755278 1045510556 2091021112 2875154029 5750308058 11500616116 23001232232