623485671134960 has 80 divisors (see below), whose sum is σ = 1450413405324000. Its totient is φ = 249255059493888.

The previous prime is 623485671134959. The next prime is 623485671134981. The reversal of 623485671134960 is 69431176584326.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×623485671134960² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4033105346 + ... + 4033259934.

It is an arithmetic number, because the mean of its divisors is an integer number (18130167566550).

It is a 1-persistent number, because it is pandigital, but 2⋅623485671134960 = 1246971342269920 is not.

Almost surely, 2^{623485671134960} is an apocalyptic number.

It is an amenable number.

623485671134960 is an abundant number, since it is smaller than the sum of its proper divisors (826927734189040).

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

623485671134960 is a wasteful number, since it uses less digits than its factorization.

623485671134960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182418 (or 182412 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 65.

The spelling of 623485671134960 in words is "six hundred twenty-three trillion, four hundred eighty-five billion, six hundred seventy-one million, one hundred thirty-four thousand, nine hundred sixty".