23099916225 has 24 divisors (see below), whose sum is σ = 38196430272. Its totient is φ = 12318481600.

The previous prime is 23099916187. The next prime is 23099916227. The reversal of 23099916225 is 52261999032.

It is a happy number.

It is not a de Polignac number, because 23099916225 - 2⁷ = 23099916097 is a prime.

It is a super-2 number, since 2×23099916225² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23099916227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949564 + ... + 973586.

It is an arithmetic number, because the mean of its divisors is an integer number (1591517928).

Almost surely, 2^23099916225 is an apocalyptic number.

23099916225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23099916225 is a deficient number, since it is larger than the sum of its proper divisors (15096514047).

23099916225 is a wasteful number, since it uses less digits than its factorization.

23099916225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36857 (or 36852 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The spelling of 23099916225 in words is "twenty-three billion, ninety-nine million, nine hundred sixteen thousand, two hundred twenty-five".