623740413116528 has 40 divisors (see below), whose sum is σ = 1213559732021568. Its totient is φ = 310565007459072.

The previous prime is 623740413116521. The next prime is 623740413116531. The reversal of 623740413116528 is 825611314047326.

It is a self number, because there is not a number n which added to its sum of digits gives 623740413116528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623740413116521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32923976 + ... + 48285287.

Almost surely, 2^{623740413116528} is an apocalyptic number.

It is an amenable number.

623740413116528 is a deficient number, since it is larger than the sum of its proper divisors (589819318905040).

623740413116528 is a wasteful number, since it uses less digits than its factorization.

623740413116528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81211281 (or 81211275 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 623740413116528 in words is "six hundred twenty-three trillion, seven hundred forty billion, four hundred thirteen million, one hundred sixteen thousand, five hundred twenty-eight".