5656356123 has 8 divisors (see below), whose sum is σ = 8227427136. Its totient is φ = 3428094600.

The previous prime is 5656356113. The next prime is 5656356169. The reversal of 5656356123 is 3216536565.

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

It is not a de Polignac number, because 5656356123 - 2⁵ = 5656356091 is a prime.

It is a super-2 number, since 2×5656356123² = 63988729180399182258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5656356103) 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, 85702333 + ... + 85702398.

It is an arithmetic number, because the mean of its divisors is an integer number (1028428392).

Almost surely, 2^5656356123 is an apocalyptic number.

5656356123 is a deficient number, since it is larger than the sum of its proper divisors (2571071013).

5656356123 is a wasteful number, since it uses less digits than its factorization.

5656356123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171404745.

The product of its digits is 486000, while the sum is 42.

The square root of 5656356123 is about 75208.7503087241. The cubic root of 5656356123 is about 1781.7451347410.

The spelling of 5656356123 in words is "five billion, six hundred fifty-six million, three hundred fifty-six thousand, one hundred twenty-three".