123013311435232 has 48 divisors (see below), whose sum is σ = 248105679100272. Its totient is φ = 60002542842880.

The previous prime is 123013311435227. The next prime is 123013311435247. The reversal of 123013311435232 is 232534113310321.

It is a super-2 number, since 2×123013311435232² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16899078 + ... + 23056570.

It is an arithmetic number, because the mean of its divisors is an integer number (5168868314589).

Almost surely, 2^{123013311435232} is an apocalyptic number.

It is an amenable number.

123013311435232 is an abundant number, since it is smaller than the sum of its proper divisors (125092367665040).

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

123013311435232 is a wasteful number, since it uses less digits than its factorization.

123013311435232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172771 (or 6172763 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 123013311435232 its reverse (232534113310321), we get a palindrome (355547424745553).

The spelling of 123013311435232 in words is "one hundred twenty-three trillion, thirteen billion, three hundred eleven million, four hundred thirty-five thousand, two hundred thirty-two".