100023013231 has 4 divisors (see below), whose sum is σ = 101718318600. Its totient is φ = 98327707864.

The previous prime is 100023013201. The next prime is 100023013243. The reversal of 100023013231 is 132310320001.

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

It is a cyclic number.

It is not a de Polignac number, because 100023013231 - 2¹⁷ = 100022882159 is a prime.

It is a super-2 number, since 2×100023013231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023013201) 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, 847652596 + ... + 847652713.

It is an arithmetic number, because the mean of its divisors is an integer number (25429579650).

Almost surely, 2^100023013231 is an apocalyptic number.

100023013231 is a deficient number, since it is larger than the sum of its proper divisors (1695305369).

100023013231 is an equidigital number, since it uses as much as digits as its factorization.

100023013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695305368.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100023013231 its reverse (132310320001), we get a palindrome (232333333232).

The spelling of 100023013231 in words is "one hundred billion, twenty-three million, thirteen thousand, two hundred thirty-one".