23942669 has 2 divisors, whose sum is σ = 23942670. Its totient is φ = 23942668.

The previous prime is 23942617. The next prime is 23942689. The reversal of 23942669 is 96624932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 3467044 = 4525^2 + 1862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23942669 is a prime.

It is a super-2 number, since 2×23942669² = 1146502797687122, 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 (23942689) 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, 11971334 + 11971335.

It is an arithmetic number, because the mean of its divisors is an integer number (11971335).

Almost surely, 2^23942669 is an apocalyptic number.

It is an amenable number.

23942669 is a deficient number, since it is larger than the sum of its proper divisors (1).

23942669 is an equidigital number, since it uses as much as digits as its factorization.

23942669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 23942669 is about 4893.1246663048. The cubic root of 23942669 is about 288.2200486804.

The spelling of 23942669 in words is "twenty-three million, nine hundred forty-two thousand, six hundred sixty-nine".