123124313031133 has 4 divisors (see below), whose sum is σ = 124213908721788. Its totient is φ = 122034717340480.

The previous prime is 123124313031127. The next prime is 123124313031241. The reversal of 123124313031133 is 331130313421321.

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 714805993444 + 122409507037689 = 845462^2 + 11063883^2 .

It is a cyclic number.

It is not a de Polignac number, because 123124313031133 - 2²⁵ = 123124279476701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123124313031095 and 123124313031104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123124314031133) 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, 544797845158 + ... + 544797845383.

It is an arithmetic number, because the mean of its divisors is an integer number (31053477180447).

Almost surely, 2^{123124313031133} is an apocalyptic number.

It is an amenable number.

123124313031133 is a deficient number, since it is larger than the sum of its proper divisors (1089595690655).

123124313031133 is a wasteful number, since it uses less digits than its factorization.

123124313031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089595690654.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 123124313031133 its reverse (331130313421321), we get a palindrome (454254626452454).

The spelling of 123124313031133 in words is "one hundred twenty-three trillion, one hundred twenty-four billion, three hundred thirteen million, thirty-one thousand, one hundred thirty-three".