2115115023 has 16 divisors (see below), whose sum is σ = 3248414720. Its totient is φ = 1199118816.

The previous prime is 2115114997. The next prime is 2115115039. The reversal of 2115115023 is 3205115112.

It is not a de Polignac number, because 2115115023 - 2⁹ = 2115114511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115115073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393868 + ... + 399201.

It is an arithmetic number, because the mean of its divisors is an integer number (203025920).

Almost surely, 2^2115115023 is an apocalyptic number.

2115115023 is a deficient number, since it is larger than the sum of its proper divisors (1133299697).

2115115023 is a wasteful number, since it uses less digits than its factorization.

2115115023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793206.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 2115115023 is about 45990.3796787980. The cubic root of 2115115023 is about 1283.6442013798.

The spelling of 2115115023 in words is "two billion, one hundred fifteen million, one hundred fifteen thousand, twenty-three".