23689778274 has 24 divisors (see below), whose sum is σ = 53097780060. Its totient is φ = 7624296288.

The previous prime is 23689778263. The next prime is 23689778291. The reversal of 23689778274 is 47287798632.

It can be written as a sum of positive squares in 2 ways, for example, as 20925647649 + 2764130625 = 144657^2 + 52575^2 .

It is a super-2 number, since 2×23689778274² (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 11 ways as a sum of consecutive naturals, for example, 22690837 + ... + 22691880.

Almost surely, 2^23689778274 is an apocalyptic number.

23689778274 is an abundant number, since it is smaller than the sum of its proper divisors (29408001786).

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

23689778274 is a wasteful number, since it uses less digits than its factorization.

23689778274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45382754 (or 45382751 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 23689778274 in words is "twenty-three billion, six hundred eighty-nine million, seven hundred seventy-eight thousand, two hundred seventy-four".