623353313625344 has 36 divisors (see below), whose sum is σ = 1309759635135840. Its totient is φ = 295272622241280.

The previous prime is 623353313625331. The next prime is 623353313625349. The reversal of 623353313625344 is 443526313353326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623353313625349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64078255172 + ... + 64078264899.

Almost surely, 2^{623353313625344} is an apocalyptic number.

623353313625344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

623353313625344 is an abundant number, since it is smaller than the sum of its proper divisors (686406321510496).

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

623353313625344 is a wasteful number, since it uses less digits than its factorization.

623353313625344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128156520106 (or 128156520092 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 53.

The spelling of 623353313625344 in words is "six hundred twenty-three trillion, three hundred fifty-three billion, three hundred thirteen million, six hundred twenty-five thousand, three hundred forty-four".