23942636927 has 4 divisors (see below), whose sum is σ = 26119240296. Its totient is φ = 21766033560.

The previous prime is 23942636923. The next prime is 23942636933. The reversal of 23942636927 is 72963624932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23942636927 - 2² = 23942636923 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 (23942636923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088301668 + ... + 1088301689.

It is an arithmetic number, because the mean of its divisors is an integer number (6529810074).

Almost surely, 2^23942636927 is an apocalyptic number.

23942636927 is a deficient number, since it is larger than the sum of its proper divisors (2176603369).

23942636927 is a wasteful number, since it uses less digits than its factorization.

23942636927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176603368.

The product of its digits is 5878656, while the sum is 53.

The spelling of 23942636927 in words is "twenty-three billion, nine hundred forty-two million, six hundred thirty-six thousand, nine hundred twenty-seven".