23664136232535 has 16 divisors (see below), whose sum is σ = 37863347053920. Its totient is φ = 12620629630080.

The previous prime is 23664136232531. The next prime is 23664136232557. The reversal of 23664136232535 is 53523263146632.

It is not a de Polignac number, because 23664136232535 - 2² = 23664136232531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23664136232531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14382880 + ... + 15943509.

It is an arithmetic number, because the mean of its divisors is an integer number (2366459190870).

Almost surely, 2^{23664136232535} is an apocalyptic number.

23664136232535 is a deficient number, since it is larger than the sum of its proper divisors (14199210821385).

23664136232535 is a wasteful number, since it uses less digits than its factorization.

23664136232535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30378418.

The product of its digits is 13996800, while the sum is 51.

The spelling of 23664136232535 in words is "twenty-three trillion, six hundred sixty-four billion, one hundred thirty-six million, two hundred thirty-two thousand, five hundred thirty-five".