123123332311 has 16 divisors (see below), whose sum is σ = 143433704448. Its totient is φ = 103508697600.

The previous prime is 123123332309. The next prime is 123123332323. The reversal of 123123332311 is 113233321321.

It is not a de Polignac number, because 123123332311 - 2¹ = 123123332309 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 (123123332911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545875 + ... + 737716.

It is an arithmetic number, because the mean of its divisors is an integer number (8964606528).

Almost surely, 2^123123332311 is an apocalyptic number.

123123332311 is a deficient number, since it is larger than the sum of its proper divisors (20310372137).

123123332311 is a wasteful number, since it uses less digits than its factorization.

123123332311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283862.

The product of its digits is 1944, while the sum is 25.

Adding to 123123332311 its reverse (113233321321), we get a palindrome (236356653632).

The spelling of 123123332311 in words is "one hundred twenty-three billion, one hundred twenty-three million, three hundred thirty-two thousand, three hundred eleven".