23011760256 has 128 divisors (see below), whose sum is σ = 62240400000. Its totient is φ = 7531831296.

The previous prime is 23011760243. The next prime is 23011760281. The reversal of 23011760256 is 65206711032.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×23011760256² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5089965 + ... + 5094483.

It is an arithmetic number, because the mean of its divisors is an integer number (486253125).

Almost surely, 2^23011760256 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 23011760256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31120200000).

23011760256 is an abundant number, since it is smaller than the sum of its proper divisors (39228639744).

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

23011760256 is a wasteful number, since it uses less digits than its factorization.

23011760256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4762 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 23011760256 in words is "twenty-three billion, eleven million, seven hundred sixty thousand, two hundred fifty-six".