100423131365 has 16 divisors (see below), whose sum is σ = 120703637376. Its totient is φ = 80208004800.

The previous prime is 100423131353. The next prime is 100423131377. The reversal of 100423131365 is 563131324001.

It is an interprime number because it is at equal distance from previous prime (100423131353) and next prime (100423131377).

It is not a de Polignac number, because 100423131365 - 2²⁴ = 100406354149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18153650 + ... + 18159180.

It is an arithmetic number, because the mean of its divisors is an integer number (7543977336).

Almost surely, 2^100423131365 is an apocalyptic number.

It is an amenable number.

100423131365 is a deficient number, since it is larger than the sum of its proper divisors (20280506011).

100423131365 is an equidigital number, since it uses as much as digits as its factorization.

100423131365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10780.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 100423131365 its reverse (563131324001), we get a palindrome (663554455366).

The spelling of 100423131365 in words is "one hundred billion, four hundred twenty-three million, one hundred thirty-one thousand, three hundred sixty-five".