74123118231 has 16 divisors (see below), whose sum is σ = 104486755200. Its totient is φ = 46610162208.

The previous prime is 74123118229. The next prime is 74123118241. The reversal of 74123118231 is 13281132147.

It is not a de Polignac number, because 74123118231 - 2¹ = 74123118229 is a prime.

It is a super-2 number, since 2×74123118231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74123118192 and 74123118201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74123118241) 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, 2826261 + ... + 2852366.

It is an arithmetic number, because the mean of its divisors is an integer number (6530422200).

Almost surely, 2^74123118231 is an apocalyptic number.

74123118231 is a deficient number, since it is larger than the sum of its proper divisors (30363636969).

74123118231 is a wasteful number, since it uses less digits than its factorization.

74123118231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678878.

The product of its digits is 8064, while the sum is 33.

The spelling of 74123118231 in words is "seventy-four billion, one hundred twenty-three million, one hundred eighteen thousand, two hundred thirty-one".