23981099 has 2 divisors, whose sum is σ = 23981100. Its totient is φ = 23981098.

The previous prime is 23981077. The next prime is 23981117. The reversal of 23981099 is 99018932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23981099 - 2⁸ = 23980843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23981039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11990549 + 11990550.

It is an arithmetic number, because the mean of its divisors is an integer number (11990550).

Almost surely, 2^23981099 is an apocalyptic number.

23981099 is a deficient number, since it is larger than the sum of its proper divisors (1).

23981099 is an equidigital number, since it uses as much as digits as its factorization.

23981099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 23981099 is about 4897.0500303754. The cubic root of 23981099 is about 288.3741720660.

The spelling of 23981099 in words is "twenty-three million, nine hundred eighty-one thousand, ninety-nine".