23099530 has 16 divisors (see below), whose sum is σ = 41749344. Its totient is φ = 9202000.

The previous prime is 23099519. The next prime is 23099539. The reversal of 23099530 is 3599032.

It is a junction number, because it is equal to n+sod(n) for n = 23099492 and 23099501.

It is not an unprimeable number, because it can be changed into a prime (23099539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092 + ... + 7111.

It is an arithmetic number, because the mean of its divisors is an integer number (2609334).

Almost surely, 2^23099530 is an apocalyptic number.

23099530 is a deficient number, since it is larger than the sum of its proper divisors (18649814).

23099530 is a wasteful number, since it uses less digits than its factorization.

23099530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 23099530 is about 4806.1970413207. The cubic root of 23099530 is about 284.7963251877.

The spelling of 23099530 in words is "twenty-three million, ninety-nine thousand, five hundred thirty".