23099873 has 2 divisors, whose sum is σ = 23099874. Its totient is φ = 23099872.

The previous prime is 23099819. The next prime is 23099887. The reversal of 23099873 is 37899032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22877089 + 222784 = 4783^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 23099873 - 2⁶ = 23099809 is a prime.

It is a super-2 number, since 2×23099873² = 1067208265232258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23099873.

It is not a weakly prime, because it can be changed into another prime (23099893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11549936 + 11549937.

It is an arithmetic number, because the mean of its divisors is an integer number (11549937).

Almost surely, 2^23099873 is an apocalyptic number.

It is an amenable number.

23099873 is a deficient number, since it is larger than the sum of its proper divisors (1).

23099873 is an equidigital number, since it uses as much as digits as its factorization.

23099873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 23099873 is about 4806.2327242862. The cubic root of 23099873 is about 284.7977348074.

The spelling of 23099873 in words is "twenty-three million, ninety-nine thousand, eight hundred seventy-three".