123103310132221 has 4 divisors (see below), whose sum is σ = 123103487619072. Its totient is φ = 123103132645372.

The previous prime is 123103310132197. The next prime is 123103310132237. The reversal of 123103310132221 is 122231013301321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123103310132221 - 2⁷ = 123103310132093 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 (123103310132521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87698941 + ... + 89091586.

It is an arithmetic number, because the mean of its divisors is an integer number (30775871904768).

Almost surely, 2^{123103310132221} is an apocalyptic number.

It is an amenable number.

123103310132221 is a deficient number, since it is larger than the sum of its proper divisors (177486851).

123103310132221 is an equidigital number, since it uses as much as digits as its factorization.

123103310132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177486850.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123103310132221 its reverse (122231013301321), we get a palindrome (245334323433542).

The spelling of 123103310132221 in words is "one hundred twenty-three trillion, one hundred three billion, three hundred ten million, one hundred thirty-two thousand, two hundred twenty-one".