23889953 has 2 divisors, whose sum is σ = 23889954. Its totient is φ = 23889952.

The previous prime is 23889937. The next prime is 23889991. The reversal of 23889953 is 35998832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19254544 + 4635409 = 4388^2 + 2153^2 .

It is a cyclic number.

It is not a de Polignac number, because 23889953 - 2⁴ = 23889937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23889898 and 23889907.

It is not a weakly prime, because it can be changed into another prime (23882953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11944976 + 11944977.

It is an arithmetic number, because the mean of its divisors is an integer number (11944977).

Almost surely, 2^23889953 is an apocalyptic number.

It is an amenable number.

23889953 is a deficient number, since it is larger than the sum of its proper divisors (1).

23889953 is an equidigital number, since it uses as much as digits as its factorization.

23889953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 23889953 is about 4887.7349559893. The cubic root of 23889953 is about 288.0083628294.

It can be divided in two parts, 23889 and 953, that added together give a palindrome (24842).

The spelling of 23889953 in words is "twenty-three million, eight hundred eighty-nine thousand, nine hundred fifty-three".