56813373623 has 2 divisors, whose sum is σ = 56813373624. Its totient is φ = 56813373622.

The previous prime is 56813373619. The next prime is 56813373637. The reversal of 56813373623 is 32637331865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56813373623 - 2² = 56813373619 is a prime.

It is a super-2 number, since 2×56813373623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56813373613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28406686811 + 28406686812.

It is an arithmetic number, because the mean of its divisors is an integer number (28406686812).

Almost surely, 2^56813373623 is an apocalyptic number.

56813373623 is a deficient number, since it is larger than the sum of its proper divisors (1).

56813373623 is an equidigital number, since it uses as much as digits as its factorization.

56813373623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 47.

The spelling of 56813373623 in words is "fifty-six billion, eight hundred thirteen million, three hundred seventy-three thousand, six hundred twenty-three".