56631701423 has 4 divisors (see below), whose sum is σ = 61780037928. Its totient is φ = 51483364920.

The previous prime is 56631701419. The next prime is 56631701453. The reversal of 56631701423 is 32410713665.

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 56631701423 - 2² = 56631701419 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 (56631701453) 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, 2574168236 + ... + 2574168257.

It is an arithmetic number, because the mean of its divisors is an integer number (15445009482).

Almost surely, 2^56631701423 is an apocalyptic number.

56631701423 is a deficient number, since it is larger than the sum of its proper divisors (5148336505).

56631701423 is a wasteful number, since it uses less digits than its factorization.

56631701423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148336504.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 56631701423 in words is "fifty-six billion, six hundred thirty-one million, seven hundred one thousand, four hundred twenty-three".