864226523 has 4 divisors (see below), whose sum is σ = 870444120. Its totient is φ = 858008928.

The previous prime is 864226511. The next prime is 864226543. The reversal of 864226523 is 325622468.

864226523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 864226523 - 2¹⁸ = 863964379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864226543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3108590 + ... + 3108867.

It is an arithmetic number, because the mean of its divisors is an integer number (217611030).

Almost surely, 2^864226523 is an apocalyptic number.

864226523 is a deficient number, since it is larger than the sum of its proper divisors (6217597).

864226523 is a wasteful number, since it uses less digits than its factorization.

864226523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6217596.

The product of its digits is 138240, while the sum is 38.

The square root of 864226523 is about 29397.7298953508. The cubic root of 864226523 is about 952.5238606781.

The spelling of 864226523 in words is "eight hundred sixty-four million, two hundred twenty-six thousand, five hundred twenty-three".