23099227 has 4 divisors (see below), whose sum is σ = 23184736. Its totient is φ = 23013720.

The previous prime is 23099207. The next prime is 23099239. The reversal of 23099227 is 72299032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23099227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23099192 and 23099201.

It is not an unprimeable number, because it can be changed into a prime (23099207) 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, 42348 + ... + 42889.

It is an arithmetic number, because the mean of its divisors is an integer number (5796184).

Almost surely, 2^23099227 is an apocalyptic number.

23099227 is a deficient number, since it is larger than the sum of its proper divisors (85509).

23099227 is an equidigital number, since it uses as much as digits as its factorization.

23099227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85508.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 23099227 is about 4806.1655194136. The cubic root of 23099227 is about 284.7950799436.

The spelling of 23099227 in words is "twenty-three million, ninety-nine thousand, two hundred twenty-seven".