2391099023 has 12 divisors (see below), whose sum is σ = 2527739928. Its totient is φ = 2261509200.

The previous prime is 2391099019. The next prime is 2391099031. The reversal of 2391099023 is 3209901932.

It is not a de Polignac number, because 2391099023 - 2² = 2391099019 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391099523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226973 + ... + 237273.

It is an arithmetic number, because the mean of its divisors is an integer number (210644994).

Almost surely, 2^2391099023 is an apocalyptic number.

2391099023 is a deficient number, since it is larger than the sum of its proper divisors (136640905).

2391099023 is a wasteful number, since it uses less digits than its factorization.

2391099023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10982 (or 10963 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 2391099023 is about 48898.8652526825. The cubic root of 2391099023 is about 1337.2086810487.

The spelling of 2391099023 in words is "two billion, three hundred ninety-one million, ninety-nine thousand, twenty-three".