122400431323 has 4 divisors (see below), whose sum is σ = 122403449608. Its totient is φ = 122397413040.

The previous prime is 122400431261. The next prime is 122400431357. The reversal of 122400431323 is 323134004221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122400431323 - 2²⁹ = 121863560411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122400431393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1447473 + ... + 1529698.

It is an arithmetic number, because the mean of its divisors is an integer number (30600862402).

Almost surely, 2^122400431323 is an apocalyptic number.

122400431323 is a deficient number, since it is larger than the sum of its proper divisors (3018285).

122400431323 is an equidigital number, since it uses as much as digits as its factorization.

122400431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018284.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 122400431323 its reverse (323134004221), we get a palindrome (445534435544).

The spelling of 122400431323 in words is "one hundred twenty-two billion, four hundred million, four hundred thirty-one thousand, three hundred twenty-three".