623645413666312 has 16 divisors (see below), whose sum is σ = 1169407604869200. Its totient is φ = 311803385701200.

The previous prime is 623645413666309. The next prime is 623645413666403. The reversal of 623645413666312 is 213666314546326.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2415004314 + ... + 2415262537.

It is an arithmetic number, because the mean of its divisors is an integer number (73087975304325).

Almost surely, 2^{623645413666312} is an apocalyptic number.

It is an amenable number.

623645413666312 is a deficient number, since it is larger than the sum of its proper divisors (545762191202888).

623645413666312 is a wasteful number, since it uses less digits than its factorization.

623645413666312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830282996 (or 4830282992 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 58.

The spelling of 623645413666312 in words is "six hundred twenty-three trillion, six hundred forty-five billion, four hundred thirteen million, six hundred sixty-six thousand, three hundred twelve".