23853959 has 2 divisors, whose sum is σ = 23853960. Its totient is φ = 23853958.

The previous prime is 23853917. The next prime is 23854027. The reversal of 23853959 is 95935832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23853959 - 2²⁰ = 22805383 is a prime.

It is a super-2 number, since 2×23853959² = 1138022719947362, 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 (23853059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11926979 + 11926980.

It is an arithmetic number, because the mean of its divisors is an integer number (11926980).

Almost surely, 2^23853959 is an apocalyptic number.

23853959 is a deficient number, since it is larger than the sum of its proper divisors (1).

23853959 is an equidigital number, since it uses as much as digits as its factorization.

23853959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 44.

The square root of 23853959 is about 4884.0514944050. The cubic root of 23853959 is about 287.8636467129.

The spelling of 23853959 in words is "twenty-three million, eight hundred fifty-three thousand, nine hundred fifty-nine".