122451516423 has 32 divisors (see below), whose sum is σ = 181873387520. Its totient is φ = 81425917440.

The previous prime is 122451516413. The next prime is 122451516461. The reversal of 122451516423 is 324615154221.

122451516423 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 5 + 1 + 5 + 1 + 642 + 3 = 666.

It is not a de Polignac number, because 122451516423 - 2⁸ = 122451516167 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 (122451516403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25344618 + ... + 25349448.

It is an arithmetic number, because the mean of its divisors is an integer number (5683543360).

Almost surely, 2^122451516423 is an apocalyptic number.

122451516423 is a deficient number, since it is larger than the sum of its proper divisors (59421871097).

122451516423 is a wasteful number, since it uses less digits than its factorization.

122451516423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044 (or 7038 counting only the distinct ones).

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

The spelling of 122451516423 in words is "one hundred twenty-two billion, four hundred fifty-one million, five hundred sixteen thousand, four hundred twenty-three".