23985877 has 2 divisors, whose sum is σ = 23985878. Its totient is φ = 23985876.

The previous prime is 23985833. The next prime is 23985881. The reversal of 23985877 is 77858932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 11553201 = 3526^2 + 3399^2 .

It is a cyclic number.

It is not a de Polignac number, because 23985877 - 2¹¹ = 23983829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23985877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23985817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11992938 + 11992939.

It is an arithmetic number, because the mean of its divisors is an integer number (11992939).

Almost surely, 2^23985877 is an apocalyptic number.

It is an amenable number.

23985877 is a deficient number, since it is larger than the sum of its proper divisors (1).

23985877 is an equidigital number, since it uses as much as digits as its factorization.

23985877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 23985877 is about 4897.5378507981. The cubic root of 23985877 is about 288.3933227076.

The spelling of 23985877 in words is "twenty-three million, nine hundred eighty-five thousand, eight hundred seventy-seven".