623384748 has 60 divisors (see below), whose sum is σ = 1862464912. Its totient is φ = 178109280.

The previous prime is 623384719. The next prime is 623384761. The reversal of 623384748 is 847483326.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 135163 + ... + 139698.

Almost surely, 2^623384748 is an apocalyptic number.

It is an amenable number.

623384748 is an abundant number, since it is smaller than the sum of its proper divisors (1239080164).

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

623384748 is a wasteful number, since it uses less digits than its factorization.

623384748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274884 (or 274873 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 623384748 is about 24967.6740606729. The cubic root of 623384748 is about 854.2507933650.

The spelling of 623384748 in words is "six hundred twenty-three million, three hundred eighty-four thousand, seven hundred forty-eight".