23066913 has 4 divisors (see below), whose sum is σ = 30755888. Its totient is φ = 15377940.

The previous prime is 23066903. The next prime is 23066921. The reversal of 23066913 is 31966032.

It is a happy number.

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 not a de Polignac number, because 23066913 - 2⁵ = 23066881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23066903) 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, 3844483 + ... + 3844488.

It is an arithmetic number, because the mean of its divisors is an integer number (7688972).

Almost surely, 2^23066913 is an apocalyptic number.

It is an amenable number.

23066913 is a deficient number, since it is larger than the sum of its proper divisors (7688975).

23066913 is an equidigital number, since it uses as much as digits as its factorization.

23066913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688974.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 23066913 is about 4802.8026193047. The cubic root of 23066913 is about 284.6622160038.

The spelling of 23066913 in words is "twenty-three million, sixty-six thousand, nine hundred thirteen".