23089399 has 2 divisors, whose sum is σ = 23089400. Its totient is φ = 23089398.

The previous prime is 23089393. The next prime is 23089433. The reversal of 23089399 is 99398032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23089399 - 2¹⁹ = 22565111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23089393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11544699 + 11544700.

It is an arithmetic number, because the mean of its divisors is an integer number (11544700).

Almost surely, 2^23089399 is an apocalyptic number.

23089399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23089399 is an equidigital number, since it uses as much as digits as its factorization.

23089399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 23089399 is about 4805.1429739395. The cubic root of 23089399 is about 284.7546837419.

The spelling of 23089399 in words is "twenty-three million, eighty-nine thousand, three hundred ninety-nine".