623134164 has 24 divisors (see below), whose sum is σ = 1478625120. Its totient is φ = 204190624.

The previous prime is 623134163. The next prime is 623134181. The reversal of 623134164 is 461431326.

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 (623134163) 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, 439359 + ... + 440774.

It is an arithmetic number, because the mean of its divisors is an integer number (61609380).

Almost surely, 2^623134164 is an apocalyptic number.

It is an amenable number.

623134164 is an abundant number, since it is smaller than the sum of its proper divisors (855490956).

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

623134164 is a wasteful number, since it uses less digits than its factorization.

623134164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880199 (or 880197 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 623134164 is about 24962.6553875985. The cubic root of 623134164 is about 854.1363160323.

The spelling of 623134164 in words is "six hundred twenty-three million, one hundred thirty-four thousand, one hundred sixty-four".