23100405938 has 8 divisors (see below), whose sum is σ = 35845457580. Its totient is φ = 11151920080.

The previous prime is 23100405929. The next prime is 23100405943. The reversal of 23100405938 is 83950400132.

It can be written as a sum of positive squares in 2 ways, for example, as 20815852729 + 2284553209 = 144277^2 + 47797^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23100405898 and 23100405907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199141373 + ... + 199141488.

Almost surely, 2^23100405938 is an apocalyptic number.

23100405938 is a deficient number, since it is larger than the sum of its proper divisors (12745051642).

23100405938 is a wasteful number, since it uses less digits than its factorization.

23100405938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398282892.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 23100405938 in words is "twenty-three billion, one hundred million, four hundred five thousand, nine hundred thirty-eight".