623667324 has 192 divisors, whose sum is σ = 1826012160. Its totient is φ = 161740800.

The previous prime is 623667323. The next prime is 623667349. The reversal of 623667324 is 423766326.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623667323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6174874 + ... + 6174974.

It is an arithmetic number, because the mean of its divisors is an integer number (9510480).

Almost surely, 2^623667324 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 623667324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913006080).

623667324 is an abundant number, since it is smaller than the sum of its proper divisors (1202344836).

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

623667324 is a wasteful number, since it uses less digits than its factorization.

623667324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 258 counting only the distinct ones).

The product of its digits is 217728, while the sum is 39.

The square root of 623667324 is about 24973.3322566293. The cubic root of 623667324 is about 854.3798491948.

The spelling of 623667324 in words is "six hundred twenty-three million, six hundred sixty-seven thousand, three hundred twenty-four".