123111103310233 has 4 divisors (see below), whose sum is σ = 123791275151908. Its totient is φ = 122430931468560.

The previous prime is 123111103310191. The next prime is 123111103310281. The reversal of 123111103310233 is 332013301111321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59920480052224 + 63190623258009 = 7740832^2 + 7949253^2 .

It is a cyclic number.

It is not a de Polignac number, because 123111103310233 - 2³⁷ = 122973664356761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123111103310198 and 123111103310207.

It is not an unprimeable number, because it can be changed into a prime (123111103310033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340085920566 + ... + 340085920927.

It is an arithmetic number, because the mean of its divisors is an integer number (30947818787977).

Almost surely, 2^{123111103310233} is an apocalyptic number.

It is an amenable number.

123111103310233 is a deficient number, since it is larger than the sum of its proper divisors (680171841675).

123111103310233 is an equidigital number, since it uses as much as digits as its factorization.

123111103310233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680171841674.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 123111103310233 its reverse (332013301111321), we get a palindrome (455124404421554).

The spelling of 123111103310233 in words is "one hundred twenty-three trillion, one hundred eleven billion, one hundred three million, three hundred ten thousand, two hundred thirty-three".