6653655723 has 32 divisors (see below), whose sum is σ = 10427880960. Its totient is φ = 3720407040.

The previous prime is 6653655713. The next prime is 6653655739. The reversal of 6653655723 is 3275563566.

It is not a de Polignac number, because 6653655723 - 2⁴ = 6653655707 is a prime.

It is a super-2 number, since 2×6653655723² = 88542268960421305458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6653655713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1421515 + ... + 1426187.

It is an arithmetic number, because the mean of its divisors is an integer number (325871280).

Almost surely, 2^6653655723 is an apocalyptic number.

6653655723 is a deficient number, since it is larger than the sum of its proper divisors (3774225237).

6653655723 is a wasteful number, since it uses less digits than its factorization.

6653655723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019.

The product of its digits is 3402000, while the sum is 48.

The square root of 6653655723 is about 81569.9437476820. The cubic root of 6653655723 is about 1880.8468837065.

The spelling of 6653655723 in words is "six billion, six hundred fifty-three million, six hundred fifty-five thousand, seven hundred twenty-three".