23295989 has 4 divisors (see below), whose sum is σ = 23341056. Its totient is φ = 23250924.

The previous prime is 23295947. The next prime is 23296003. The reversal of 23295989 is 98959232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23295989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23295929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21749 + ... + 22794.

It is an arithmetic number, because the mean of its divisors is an integer number (5835264).

Almost surely, 2^23295989 is an apocalyptic number.

It is an amenable number.

23295989 is a deficient number, since it is larger than the sum of its proper divisors (45067).

23295989 is an equidigital number, since it uses as much as digits as its factorization.

23295989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45066.

The product of its digits is 349920, while the sum is 47.

The square root of 23295989 is about 4826.5918617592. The cubic root of 23295989 is about 285.6014343247.

The spelling of 23295989 in words is "twenty-three million, two hundred ninety-five thousand, nine hundred eighty-nine".