23100233491 has 4 divisors (see below), whose sum is σ = 23268848472. Its totient is φ = 22931618512.

The previous prime is 23100233473. The next prime is 23100233503. The reversal of 23100233491 is 19433200132.

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 23100233491 - 2⁷ = 23100233363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23100233441) 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, 84307285 + ... + 84307558.

It is an arithmetic number, because the mean of its divisors is an integer number (5817212118).

Almost surely, 2^23100233491 is an apocalyptic number.

23100233491 is a deficient number, since it is larger than the sum of its proper divisors (168614981).

23100233491 is a wasteful number, since it uses less digits than its factorization.

23100233491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168614980.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 23100233491 in words is "twenty-three billion, one hundred million, two hundred thirty-three thousand, four hundred ninety-one".