23916869 has 2 divisors, whose sum is σ = 23916870. Its totient is φ = 23916868.

The previous prime is 23916859. The next prime is 23916913. The reversal of 23916869 is 96861932.

It is an a-pointer prime, because the next prime (23916913) can be obtained adding 23916869 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 10484644 = 3665^2 + 3238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23916869 is a prime.

It is a super-2 number, since 2×23916869² = 1144033245526322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23916859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11958434 + 11958435.

It is an arithmetic number, because the mean of its divisors is an integer number (11958435).

Almost surely, 2^23916869 is an apocalyptic number.

It is an amenable number.

23916869 is a deficient number, since it is larger than the sum of its proper divisors (1).

23916869 is an equidigital number, since it uses as much as digits as its factorization.

23916869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 23916869 is about 4890.4876035013. The cubic root of 23916869 is about 288.1164853192.

The spelling of 23916869 in words is "twenty-three million, nine hundred sixteen thousand, eight hundred sixty-nine".