123313300012421 has 16 divisors (see below), whose sum is σ = 133134734937600. Its totient is φ = 113864931763968.

The previous prime is 123313300012391. The next prime is 123313300012451. The reversal of 123313300012421 is 124210003313321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123313300012391) and next prime (123313300012451).

It is a cyclic number.

It is not a de Polignac number, because 123313300012421 - 2¹⁰ = 123313300011397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313300012451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12045236 + ... + 19791773.

It is an arithmetic number, because the mean of its divisors is an integer number (8320920933600).

Almost surely, 2^{123313300012421} is an apocalyptic number.

It is an amenable number.

123313300012421 is a deficient number, since it is larger than the sum of its proper divisors (9821434925179).

123313300012421 is a wasteful number, since it uses less digits than its factorization.

123313300012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31842868.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123313300012421 its reverse (124210003313321), we get a palindrome (247523303325742).

The spelling of 123313300012421 in words is "one hundred twenty-three trillion, three hundred thirteen billion, three hundred million, twelve thousand, four hundred twenty-one".