23399889 has 8 divisors (see below), whose sum is σ = 31960992. Its totient is φ = 15219360.

The previous prime is 23399881. The next prime is 23399891. The reversal of 23399889 is 98899332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23399889 - 2³ = 23399881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23399881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94999 + ... + 95244.

It is an arithmetic number, because the mean of its divisors is an integer number (3995124).

Almost surely, 2^23399889 is an apocalyptic number.

It is an amenable number.

23399889 is a deficient number, since it is larger than the sum of its proper divisors (8561103).

23399889 is a wasteful number, since it uses less digits than its factorization.

23399889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190287.

The product of its digits is 839808, while the sum is 51.

The square root of 23399889 is about 4837.3431757526. The cubic root of 23399889 is about 286.0253983345.

The spelling of 23399889 in words is "twenty-three million, three hundred ninety-nine thousand, eight hundred eighty-nine".