5223656231 has 4 divisors (see below), whose sum is σ = 5224098072. Its totient is φ = 5223214392.

The previous prime is 5223656213. The next prime is 5223656239. The reversal of 5223656231 is 1326563225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5223656231 - 2¹⁰ = 5223655207 is a prime.

It is a super-2 number, since 2×5223656231² = 54573168839330250722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5223656191 and 5223656200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223656239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202685 + ... + 226998.

It is an arithmetic number, because the mean of its divisors is an integer number (1306024518).

Almost surely, 2^5223656231 is an apocalyptic number.

5223656231 is a deficient number, since it is larger than the sum of its proper divisors (441841).

5223656231 is a wasteful number, since it uses less digits than its factorization.

5223656231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441840.

The product of its digits is 64800, while the sum is 35.

The square root of 5223656231 is about 72274.8658317675. The cubic root of 5223656231 is about 1735.1014101903.

The spelling of 5223656231 in words is "five billion, two hundred twenty-three million, six hundred fifty-six thousand, two hundred thirty-one".