623883924 has 96 divisors (see below), whose sum is σ = 1776768000. Its totient is φ = 188435808.

The previous prime is 623883919. The next prime is 623883929. The reversal of 623883924 is 429388326.

It is an interprime number because it is at equal distance from previous prime (623883919) and next prime (623883929).

It is a self number, because there is not a number n which added to its sum of digits gives 623883924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623883929) 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, 40587 + ... + 53805.

It is an arithmetic number, because the mean of its divisors is an integer number (18508000).

Almost surely, 2^623883924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623883924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888384000).

623883924 is an abundant number, since it is smaller than the sum of its proper divisors (1152884076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623883924 is a wasteful number, since it uses less digits than its factorization.

623883924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13274 (or 13266 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 623883924 is about 24977.6685060876. The cubic root of 623883924 is about 854.4787466083.

The spelling of 623883924 in words is "six hundred twenty-three million, eight hundred eighty-three thousand, nine hundred twenty-four".