23768503956 has 18 divisors (see below), whose sum is σ = 60081496202. Its totient is φ = 7922834640.

The previous prime is 23768503951. The next prime is 23768503987. The reversal of 23768503956 is 65930586732.

It is a happy number.

23768503956 is a `hidden beast` number, since 23 + 7 + 68 + 503 + 9 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23434711056 + 333792900 = 153084^2 + 18270^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23768503951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330118075 + ... + 330118146.

Almost surely, 2^23768503956 is an apocalyptic number.

It is an amenable number.

23768503956 is an abundant number, since it is smaller than the sum of its proper divisors (36312992246).

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

23768503956 is a wasteful number, since it uses less digits than its factorization.

23768503956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660236231 (or 660236226 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 23768503956 in words is "twenty-three billion, seven hundred sixty-eight million, five hundred three thousand, nine hundred fifty-six".