23998417 has 2 divisors, whose sum is σ = 23998418. Its totient is φ = 23998416.

The previous prime is 23998411. The next prime is 23998439. The reversal of 23998417 is 71489932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12702096 + 11296321 = 3564^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 23998417 - 2³ = 23998409 is a prime.

It is not a weakly prime, because it can be changed into another prime (23998411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11999208 + 11999209.

It is an arithmetic number, because the mean of its divisors is an integer number (11999209).

Almost surely, 2^23998417 is an apocalyptic number.

It is an amenable number.

23998417 is a deficient number, since it is larger than the sum of its proper divisors (1).

23998417 is an equidigital number, since it uses as much as digits as its factorization.

23998417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 23998417 is about 4898.8179186412. The cubic root of 23998417 is about 288.4435720302.

It can be divided in two parts, 2399 and 8417, that added together give a square (10816 = 104²).

The spelling of 23998417 in words is "twenty-three million, nine hundred ninety-eight thousand, four hundred seventeen".