123311030211320 has 64 divisors (see below), whose sum is σ = 317167591749120. Its totient is φ = 42267122769024.

The previous prime is 123311030211223. The next prime is 123311030211337. The reversal of 123311030211320 is 23112030113321.

It is a super-2 number, since 2×123311030211320² (a number of 29 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, 55920242 + ... + 58083521.

It is an arithmetic number, because the mean of its divisors is an integer number (4955743621080).

Almost surely, 2^{123311030211320} is an apocalyptic number.

123311030211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123311030211320 is an abundant number, since it is smaller than the sum of its proper divisors (193856561537800).

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

123311030211320 is a wasteful number, since it uses less digits than its factorization.

123311030211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114007644 (or 114007640 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123311030211320 its reverse (23112030113321), we get a palindrome (146423060324641).

The spelling of 123311030211320 in words is "one hundred twenty-three trillion, three hundred eleven billion, thirty million, two hundred eleven thousand, three hundred twenty".