23869939 has 2 divisors, whose sum is σ = 23869940. Its totient is φ = 23869938.

The previous prime is 23869933. The next prime is 23869957. The reversal of 23869939 is 93996832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23869939 - 2³ = 23869931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23869892 and 23869901.

It is not a weakly prime, because it can be changed into another prime (23869931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11934969 + 11934970.

It is an arithmetic number, because the mean of its divisors is an integer number (11934970).

Almost surely, 2^23869939 is an apocalyptic number.

23869939 is a deficient number, since it is larger than the sum of its proper divisors (1).

23869939 is an equidigital number, since it uses as much as digits as its factorization.

23869939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 49.

The square root of 23869939 is about 4885.6871574017. The cubic root of 23869939 is about 287.9279132531.

The spelling of 23869939 in words is "twenty-three million, eight hundred sixty-nine thousand, nine hundred thirty-nine".