23656306272 has 24 divisors (see below), whose sum is σ = 62097804216. Its totient is φ = 7885435392.

The previous prime is 23656306249. The next prime is 23656306277. The reversal of 23656306272 is 27260365632.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23656306277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123209833 + ... + 123210024.

It is an arithmetic number, because the mean of its divisors is an integer number (2587408509).

Almost surely, 2^23656306272 is an apocalyptic number.

It is an amenable number.

23656306272 is an abundant number, since it is smaller than the sum of its proper divisors (38441497944).

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

23656306272 is a wasteful number, since it uses less digits than its factorization.

23656306272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246419870 (or 246419862 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 23656306272 in words is "twenty-three billion, six hundred fifty-six million, three hundred six thousand, two hundred seventy-two".