23099969 has 2 divisors, whose sum is σ = 23099970. Its totient is φ = 23099968.

The previous prime is 23099963. The next prime is 23100001. The reversal of 23099969 is 96999032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11641744 + 11458225 = 3412^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 23099969 - 2¹² = 23095873 is a prime.

It is a super-2 number, since 2×23099969² = 1067217135601922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23099963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11549984 + 11549985.

It is an arithmetic number, because the mean of its divisors is an integer number (11549985).

Almost surely, 2^23099969 is an apocalyptic number.

It is an amenable number.

23099969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23099969 is an equidigital number, since it uses as much as digits as its factorization.

23099969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 23099969 is about 4806.2427113079. The cubic root of 23099969 is about 284.7981293340.

The spelling of 23099969 in words is "twenty-three million, ninety-nine thousand, nine hundred sixty-nine".