23321995 has 4 divisors (see below), whose sum is σ = 27986400. Its totient is φ = 18657592.

The previous prime is 23321971. The next prime is 23321999. The reversal of 23321995 is 59912332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23321995 - 2⁹ = 23321483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23321995.

It is not an unprimeable number, because it can be changed into a prime (23321999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332195 + ... + 2332204.

It is an arithmetic number, because the mean of its divisors is an integer number (6996600).

Almost surely, 2^23321995 is an apocalyptic number.

23321995 is a deficient number, since it is larger than the sum of its proper divisors (4664405).

23321995 is an equidigital number, since it uses as much as digits as its factorization.

23321995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664404.

The product of its digits is 14580, while the sum is 34.

The square root of 23321995 is about 4829.2851437868. The cubic root of 23321995 is about 285.7076699063.

The spelling of 23321995 in words is "twenty-three million, three hundred twenty-one thousand, nine hundred ninety-five".