123404151224101 has 12 divisors (see below), whose sum is σ = 135691922327500. Its totient is φ = 112144782119040.

The previous prime is 123404151224099. The next prime is 123404151224113. The reversal of 123404151224101 is 101422151404321.

It can be written as a sum of positive squares in 2 ways, for example, as 59512121648100 + 63892029576001 = 7714410^2 + 7993249^2 .

It is not a de Polignac number, because 123404151224101 - 2¹ = 123404151224099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123404151224401) 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, 185165556 + ... + 185830813.

Almost surely, 2^{123404151224101} is an apocalyptic number.

123404151224101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123404151224101 is a deficient number, since it is larger than the sum of its proper divisors (12287771103399).

123404151224101 is a wasteful number, since it uses less digits than its factorization.

123404151224101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370999140 (or 370999129 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 123404151224101 in words is "one hundred twenty-three trillion, four hundred four billion, one hundred fifty-one million, two hundred twenty-four thousand, one hundred one".