623338712 has 8 divisors (see below), whose sum is σ = 1168760100. Its totient is φ = 311669352.

The previous prime is 623338679. The next prime is 623338747. The reversal of 623338712 is 217833326.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×623338712² = 777102299755637888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38958662 + ... + 38958677.

Almost surely, 2^623338712 is an apocalyptic number.

It is an amenable number.

623338712 is a deficient number, since it is larger than the sum of its proper divisors (545421388).

623338712 is a wasteful number, since it uses less digits than its factorization.

623338712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77917345 (or 77917341 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 623338712 is about 24966.7521315849. The cubic root of 623338712 is about 854.2297644805.

The spelling of 623338712 in words is "six hundred twenty-three million, three hundred thirty-eight thousand, seven hundred twelve".