123013211445045 has 64 divisors (see below), whose sum is σ = 219940340313600. Its totient is φ = 65232352235520.

The previous prime is 123013211445013. The next prime is 123013211445097. The reversal of 123013211445045 is 540544112310321.

123013211445045 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 1 + 3 + 2 + 1 + 144 + 504 + 5 = 666.

It is not a de Polignac number, because 123013211445045 - 2⁵ = 123013211445013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47701015 + ... + 50213675.

It is an arithmetic number, because the mean of its divisors is an integer number (3436567817400).

Almost surely, 2^{123013211445045} is an apocalyptic number.

123013211445045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123013211445045 is a deficient number, since it is larger than the sum of its proper divisors (96927128868555).

123013211445045 is a wasteful number, since it uses less digits than its factorization.

123013211445045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514747 (or 2514741 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 123013211445045 its reverse (540544112310321), we get a palindrome (663557323755366).

The spelling of 123013211445045 in words is "one hundred twenty-three trillion, thirteen billion, two hundred eleven million, four hundred forty-five thousand, forty-five".