18023066031 has 8 divisors (see below), whose sum is σ = 24049202560. Its totient is φ = 12006153432.

The previous prime is 18023066021. The next prime is 18023066051. The reversal of 18023066031 is 13066032081.

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

It is not a de Polignac number, because 18023066031 - 2¹⁰ = 18023065007 is a prime.

It is a super-2 number, since 2×18023066031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18023066031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18023066011) 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, 2301421 + ... + 2309238.

It is an arithmetic number, because the mean of its divisors is an integer number (3006150320).

Almost surely, 2^18023066031 is an apocalyptic number.

18023066031 is a deficient number, since it is larger than the sum of its proper divisors (6026136529).

18023066031 is a wasteful number, since it uses less digits than its factorization.

18023066031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611965.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 18023066031 in words is "eighteen billion, twenty-three million, sixty-six thousand, thirty-one".