123121323312322 has 4 divisors (see below), whose sum is σ = 184681984968486. Its totient is φ = 61560661656160.

The previous prime is 123121323312277. The next prime is 123121323312359. The reversal of 123121323312322 is 223213323121321.

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

It can be written as a sum of positive squares in only one way, i.e., 122856408251721 + 264915060601 = 11084061^2 + 514699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30780330828079 + ... + 30780330828082.

Almost surely, 2^{123121323312322} is an apocalyptic number.

123121323312322 is a deficient number, since it is larger than the sum of its proper divisors (61560661656164).

123121323312322 is an equidigital number, since it uses as much as digits as its factorization.

123121323312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61560661656163.

The product of its digits is 15552, while the sum is 31.

Adding to 123121323312322 its reverse (223213323121321), we get a palindrome (346334646433643).

The spelling of 123121323312322 in words is "one hundred twenty-three trillion, one hundred twenty-one billion, three hundred twenty-three million, three hundred twelve thousand, three hundred twenty-two".