123391598624228 has 48 divisors (see below), whose sum is σ = 238245556348800. Its totient is φ = 55449222554880.

The previous prime is 123391598624221. The next prime is 123391598624251. The reversal of 123391598624228 is 822426895193321.

It is a super-2 number, since 2×123391598624228² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123391598624221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26163113 + ... + 30517071.

It is an arithmetic number, because the mean of its divisors is an integer number (4963449090600).

Almost surely, 2^{123391598624228} is an apocalyptic number.

It is an amenable number.

123391598624228 is a deficient number, since it is larger than the sum of its proper divisors (114853957724572).

123391598624228 is a wasteful number, since it uses less digits than its factorization.

123391598624228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361300 (or 4361298 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 65.

The spelling of 123391598624228 in words is "one hundred twenty-three trillion, three hundred ninety-one billion, five hundred ninety-eight million, six hundred twenty-four thousand, two hundred twenty-eight".