123001223133100 has 72 divisors (see below), whose sum is σ = 287447259260448. Its totient is φ = 45415383974400.

The previous prime is 123001223133091. The next prime is 123001223133119. The reversal of 123001223133100 is 1331322100321.

It is a super-2 number, since 2×123001223133100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148151337 + ... + 148979263.

It is an arithmetic number, because the mean of its divisors is an integer number (3992323045284).

Almost surely, 2^{123001223133100} is an apocalyptic number.

123001223133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123001223133100 is an abundant number, since it is smaller than the sum of its proper divisors (164446036127348).

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

123001223133100 is a wasteful number, since it uses less digits than its factorization.

123001223133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942235 (or 942228 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123001223133100 its reverse (1331322100321), we get a palindrome (124332545233421).

The spelling of 123001223133100 in words is "one hundred twenty-three trillion, one billion, two hundred twenty-three million, one hundred thirty-three thousand, one hundred".