623616042 has 24 divisors (see below), whose sum is σ = 1450862496. Its totient is φ = 178175928.

The previous prime is 623615999. The next prime is 623616047. The reversal of 623616042 is 240616326.

It is not an unprimeable number, because it can be changed into a prime (623616047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1060278 + ... + 1060865.

It is an arithmetic number, because the mean of its divisors is an integer number (60452604).

Almost surely, 2^623616042 is an apocalyptic number.

623616042 is an abundant number, since it is smaller than the sum of its proper divisors (827246454).

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

623616042 is a wasteful number, since it uses less digits than its factorization.

623616042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121162 (or 2121155 counting only the distinct ones).

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

The square root of 623616042 is about 24972.3055002937. The cubic root of 623616042 is about 854.3564309894.

The spelling of 623616042 in words is "six hundred twenty-three million, six hundred sixteen thousand, forty-two".