623642376 has 64 divisors (see below), whose sum is σ = 1839329280. Its totient is φ = 172434240.

The previous prime is 623642351. The next prime is 623642413. The reversal of 623642376 is 673246326.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54666 + ... + 65081.

It is an arithmetic number, because the mean of its divisors is an integer number (28739520).

Almost surely, 2^623642376 is an apocalyptic number.

It is an amenable number.

623642376 is an abundant number, since it is smaller than the sum of its proper divisors (1215686904).

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

623642376 is a wasteful number, since it uses less digits than its factorization.

623642376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119794 (or 119790 counting only the distinct ones).

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

The square root of 623642376 is about 24972.8327588201. The cubic root of 623642376 is about 854.3684567147.

The spelling of 623642376 in words is "six hundred twenty-three million, six hundred forty-two thousand, three hundred seventy-six".