123423141324321 has 12 divisors (see below), whose sum is σ = 183096191634772. Its totient is φ = 80058253831776.

The previous prime is 123423141324319. The next prime is 123423141324367.

123423141324321 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 2 + 3 + 1 + 4 + 1 + 324 + 321 = 666.

123423141324321 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 49678603373025 + 73744537951296 = 7048305^2 + 8587464^2 .

It is not a de Polignac number, because 123423141324321 - 2¹ = 123423141324319 is a prime.

It is a super-2 number, since 2×123423141324321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123423141324391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185320031686 + ... + 185320032351.

Almost surely, 2^{123423141324321} is an apocalyptic number.

It is an amenable number.

123423141324321 is a deficient number, since it is larger than the sum of its proper divisors (59673050310451).

123423141324321 is a wasteful number, since it uses less digits than its factorization.

123423141324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370640064080 (or 370640064077 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 123423141324321 in words is "one hundred twenty-three trillion, four hundred twenty-three billion, one hundred forty-one million, three hundred twenty-four thousand, three hundred twenty-one".