23419889 has 2 divisors, whose sum is σ = 23419890. Its totient is φ = 23419888.

The previous prime is 23419883. The next prime is 23419901. The reversal of 23419889 is 98891432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23232400 + 187489 = 4820^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 23419889 - 2⁸ = 23419633 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (23419883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11709944 + 11709945.

It is an arithmetic number, because the mean of its divisors is an integer number (11709945).

Almost surely, 2^23419889 is an apocalyptic number.

It is an amenable number.

23419889 is a deficient number, since it is larger than the sum of its proper divisors (1).

23419889 is an equidigital number, since it uses as much as digits as its factorization.

23419889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 23419889 is about 4839.4099846985. The cubic root of 23419889 is about 286.1068642332.

The spelling of 23419889 in words is "twenty-three million, four hundred nineteen thousand, eight hundred eighty-nine".