23879993 has 2 divisors, whose sum is σ = 23879994. Its totient is φ = 23879992.

The previous prime is 23879983. The next prime is 23880011. The reversal of 23879993 is 39997832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23785129 + 94864 = 4877^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 23879993 - 2⁶ = 23879929 is a prime.

It is a super-3 number, since 3×23879993³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23879923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11939996 + 11939997.

It is an arithmetic number, because the mean of its divisors is an integer number (11939997).

Almost surely, 2^23879993 is an apocalyptic number.

It is an amenable number.

23879993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23879993 is an equidigital number, since it uses as much as digits as its factorization.

23879993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 23879993 is about 4886.7159729209. The cubic root of 23879993 is about 287.9683325842.

The spelling of 23879993 in words is "twenty-three million, eight hundred seventy-nine thousand, nine hundred ninety-three".