623110040324272 has 80 divisors (see below), whose sum is σ = 1294368316286400. Its totient is φ = 289830549482496.

The previous prime is 623110040324267. The next prime is 623110040324297. The reversal of 623110040324272 is 272423040011326.

It is a super-2 number, since 2×623110040324272² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 21958354 + ... + 41573902.

It is an arithmetic number, because the mean of its divisors is an integer number (16179603953580).

Almost surely, 2^{623110040324272} 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 623110040324272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647184158143200).

623110040324272 is an abundant number, since it is smaller than the sum of its proper divisors (671258275962128).

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

623110040324272 is a wasteful number, since it uses less digits than its factorization.

623110040324272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617950 (or 19617944 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

Adding to 623110040324272 its reverse (272423040011326), we get a palindrome (895533080335598).

The spelling of 623110040324272 in words is "six hundred twenty-three trillion, one hundred ten billion, forty million, three hundred twenty-four thousand, two hundred seventy-two".