623915227368 has 224 divisors, whose sum is σ = 1832533943040. Its totient is φ = 198677888640.

The previous prime is 623915227321. The next prime is 623915227399. The reversal of 623915227368 is 863722519326.

623915227368 is a `hidden beast` number, since 6 + 23 + 91 + 522 + 7 + 3 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 126219505 + ... + 126224447.

Almost surely, 2^623915227368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623915227368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916266971520).

623915227368 is an abundant number, since it is smaller than the sum of its proper divisors (1208618715672).

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

623915227368 is a wasteful number, since it uses less digits than its factorization.

623915227368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931 (or 5912 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 623915227368 in words is "six hundred twenty-three billion, nine hundred fifteen million, two hundred twenty-seven thousand, three hundred sixty-eight".