23136240663 has 24 divisors (see below), whose sum is σ = 35183982080. Its totient is φ = 14609840400.

The previous prime is 23136240643. The next prime is 23136240671. The reversal of 23136240663 is 36604263132.

23136240663 is a `hidden beast` number, since 23 + 1 + 3 + 624 + 0 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 23136240663 - 2²⁴ = 23119463447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136240643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1814970 + ... + 1827672.

Almost surely, 2^23136240663 is an apocalyptic number.

23136240663 is a deficient number, since it is larger than the sum of its proper divisors (12047741417).

23136240663 is a wasteful number, since it uses less digits than its factorization.

23136240663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23379 (or 23376 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 23136240663 in words is "twenty-three billion, one hundred thirty-six million, two hundred forty thousand, six hundred sixty-three".