5656318723 has 16 divisors (see below), whose sum is σ = 6612846336. Its totient is φ = 4785596640.

The previous prime is 5656318711. The next prime is 5656318739. The reversal of 5656318723 is 3278136565.

It is not a de Polignac number, because 5656318723 - 2²⁹ = 5119447811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656318763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292761 + ... + 311482.

It is an arithmetic number, because the mean of its divisors is an integer number (413302896).

Almost surely, 2^5656318723 is an apocalyptic number.

5656318723 is a deficient number, since it is larger than the sum of its proper divisors (956527613).

5656318723 is a wasteful number, since it uses less digits than its factorization.

5656318723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604314.

The product of its digits is 907200, while the sum is 46.

The square root of 5656318723 is about 75208.5016670323. The cubic root of 5656318723 is about 1781.7412077479.

The spelling of 5656318723 in words is "five billion, six hundred fifty-six million, three hundred eighteen thousand, seven hundred twenty-three".