56723237894 has 16 divisors (see below), whose sum is σ = 86911031808. Its totient is φ = 27753114312.

The previous prime is 56723237861. The next prime is 56723237899. The reversal of 56723237894 is 49873232765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56723237899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491429 + ... + 595775.

It is an arithmetic number, because the mean of its divisors is an integer number (5431939488).

Almost surely, 2^56723237894 is an apocalyptic number.

56723237894 is a deficient number, since it is larger than the sum of its proper divisors (30187793914).

56723237894 is a wasteful number, since it uses less digits than its factorization.

56723237894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110179.

The product of its digits is 15240960, while the sum is 56.

The spelling of 56723237894 in words is "fifty-six billion, seven hundred twenty-three million, two hundred thirty-seven thousand, eight hundred ninety-four".