56821476723 has 8 divisors (see below), whose sum is σ = 82649420736. Its totient is φ = 34437258600.

The previous prime is 56821476707. The next prime is 56821476727. The reversal of 56821476723 is 32767412865.

It is a happy number.

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

It is not a de Polignac number, because 56821476723 - 2⁴ = 56821476707 is a prime.

It is a super-3 number, since 3×56821476723³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56821476727) 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, 860931433 + ... + 860931498.

It is an arithmetic number, because the mean of its divisors is an integer number (10331177592).

Almost surely, 2^56821476723 is an apocalyptic number.

56821476723 is a deficient number, since it is larger than the sum of its proper divisors (25827944013).

56821476723 is a wasteful number, since it uses less digits than its factorization.

56821476723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721862945.

The product of its digits is 3386880, while the sum is 51.

The spelling of 56821476723 in words is "fifty-six billion, eight hundred twenty-one million, four hundred seventy-six thousand, seven hundred twenty-three".