623197522988 has 6 divisors (see below), whose sum is σ = 1090595665236. Its totient is φ = 311598761492.

The previous prime is 623197522967. The next prime is 623197523009. The reversal of 623197522988 is 889225791326.

It is an interprime number because it is at equal distance from previous prime (623197522967) and next prime (623197523009).

It is a self number, because there is not a number n which added to its sum of digits gives 623197522988.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77899690370 + ... + 77899690377.

It is an arithmetic number, because the mean of its divisors is an integer number (181765944206).

Almost surely, 2^623197522988 is an apocalyptic number.

It is an amenable number.

623197522988 is a deficient number, since it is larger than the sum of its proper divisors (467398142248).

623197522988 is a wasteful number, since it uses less digits than its factorization.

623197522988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155799380751 (or 155799380749 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The spelling of 623197522988 in words is "six hundred twenty-three billion, one hundred ninety-seven million, five hundred twenty-two thousand, nine hundred eighty-eight".