122356423 has 32 divisors (see below), whose sum is σ = 151240320. Its totient is φ = 96768000.

The previous prime is 122356417. The next prime is 122356433. The reversal of 122356423 is 324653221.

It is a de Polignac number, because none of the positive numbers 2^k-122356423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122356391 and 122356400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122356433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507583 + ... + 507823.

It is an arithmetic number, because the mean of its divisors is an integer number (4726260).

Almost surely, 2^122356423 is an apocalyptic number.

122356423 is a deficient number, since it is larger than the sum of its proper divisors (28883897).

122356423 is a wasteful number, since it uses less digits than its factorization.

122356423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its digits is 8640, while the sum is 28.

The square root of 122356423 is about 11061.4837612320. The cubic root of 122356423 is about 496.4500865430.

The spelling of 122356423 in words is "one hundred twenty-two million, three hundred fifty-six thousand, four hundred twenty-three".