123313412354121 has 20 divisors (see below), whose sum is σ = 200955190504464. Its totient is φ = 74735401426200.

The previous prime is 123313412354117. The next prime is 123313412354141. The reversal of 123313412354121 is 121453214313321.

123313412354121 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 1 + 3 + 4 + 1 + 235 + 412 + 1 = 666.

It is not a de Polignac number, because 123313412354121 - 2² = 123313412354117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123313412354141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69199444875 + ... + 69199446656.

Almost surely, 2^{123313412354121} is an apocalyptic number.

123313412354121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123313412354121 is a deficient number, since it is larger than the sum of its proper divisors (77641778150343).

123313412354121 is a wasteful number, since it uses less digits than its factorization.

123313412354121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138398891554 (or 138398891545 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 123313412354121 its reverse (121453214313321), we get a palindrome (244766626667442).

The spelling of 123313412354121 in words is "one hundred twenty-three trillion, three hundred thirteen billion, four hundred twelve million, three hundred fifty-four thousand, one hundred twenty-one".