23463643536 has 60 divisors (see below), whose sum is σ = 67440375132. Its totient is φ = 7609828608.

The previous prime is 23463643531. The next prime is 23463643561. The reversal of 23463643536 is 63534636432.

23463643536 is a `hidden beast` number, since 2 + 3 + 4 + 636 + 4 + 3 + 5 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21739733136 + 1723910400 = 147444^2 + 41520^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23463643491 and 23463643500.

It is not an unprimeable number, because it can be changed into a prime (23463643531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2196591 + ... + 2207246.

Almost surely, 2^23463643536 is an apocalyptic number.

It is an amenable number.

23463643536 is an abundant number, since it is smaller than the sum of its proper divisors (43976731596).

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

23463643536 is a wasteful number, since it uses less digits than its factorization.

23463643536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403888 (or 4403879 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 45.

The spelling of 23463643536 in words is "twenty-three billion, four hundred sixty-three million, six hundred forty-three thousand, five hundred thirty-six".