23897099 has 2 divisors, whose sum is σ = 23897100. Its totient is φ = 23897098.

The previous prime is 23897089. The next prime is 23897119. The reversal of 23897099 is 99079832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23897099 - 2⁸ = 23896843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23897039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11948549 + 11948550.

It is an arithmetic number, because the mean of its divisors is an integer number (11948550).

Almost surely, 2^23897099 is an apocalyptic number.

23897099 is a deficient number, since it is larger than the sum of its proper divisors (1).

23897099 is an equidigital number, since it uses as much as digits as its factorization.

23897099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 23897099 is about 4888.4659147835. The cubic root of 23897099 is about 288.0370764702.

The spelling of 23897099 in words is "twenty-three million, eight hundred ninety-seven thousand, ninety-nine".