123030131222111 has 8 divisors (see below), whose sum is σ = 123150315562560. Its totient is φ = 122909950291968.

The previous prime is 123030131222083. The next prime is 123030131222149. The reversal of 123030131222111 is 111222131030321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123030131222111 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 (123030131222191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74591735 + ... + 76223271.

It is an arithmetic number, because the mean of its divisors is an integer number (15393789445320).

Almost surely, 2^{123030131222111} is an apocalyptic number.

123030131222111 is a deficient number, since it is larger than the sum of its proper divisors (120184340449).

123030131222111 is a wasteful number, since it uses less digits than its factorization.

123030131222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705153.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 123030131222111 its reverse (111222131030321), we get a palindrome (234252262252432).

The spelling of 123030131222111 in words is "one hundred twenty-three trillion, thirty billion, one hundred thirty-one million, two hundred twenty-two thousand, one hundred eleven".