56923119721 has 8 divisors (see below), whose sum is σ = 61311313224. Its totient is φ = 52536282240.

The previous prime is 56923119653. The next prime is 56923119767. The reversal of 56923119721 is 12791132965.

It can be written as a sum of positive squares in 4 ways, for example, as 17196650496 + 39726469225 = 131136^2 + 199315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56923119721 - 2⁷ = 56923119593 is a prime.

It is a super-3 number, since 3×56923119721³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56927119721) 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, 250966 + ... + 420511.

It is an arithmetic number, because the mean of its divisors is an integer number (7663914153).

Almost surely, 2^56923119721 is an apocalyptic number.

It is an amenable number.

56923119721 is a deficient number, since it is larger than the sum of its proper divisors (4388193503).

56923119721 is a wasteful number, since it uses less digits than its factorization.

56923119721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678011.

The product of its digits is 204120, while the sum is 46.

The spelling of 56923119721 in words is "fifty-six billion, nine hundred twenty-three million, one hundred nineteen thousand, seven hundred twenty-one".