623360064 has 56 divisors (see below), whose sum is σ = 1689555168. Its totient is φ = 202716160.

The previous prime is 623360047. The next prime is 623360071. The reversal of 623360064 is 460063326.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31722 + ... + 47465.

It is an arithmetic number, because the mean of its divisors is an integer number (30170628).

Almost surely, 2^623360064 is an apocalyptic number.

623360064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

623360064 is an abundant number, since it is smaller than the sum of its proper divisors (1066195104).

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

623360064 is a wasteful number, since it uses less digits than its factorization.

623360064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79243 (or 79233 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 623360064 is about 24967.1797366062. The cubic root of 623360064 is about 854.2395180357.

The spelling of 623360064 in words is "six hundred twenty-three million, three hundred sixty thousand, sixty-four".