23065999 has 4 divisors (see below), whose sum is σ = 25162920. Its totient is φ = 20969080.

The previous prime is 23065963. The next prime is 23066003. The reversal of 23065999 is 99956032.

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

It is not a de Polignac number, because 23065999 - 2¹⁷ = 22934927 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 (23065199) 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, 1048444 + ... + 1048465.

It is an arithmetic number, because the mean of its divisors is an integer number (6290730).

Almost surely, 2^23065999 is an apocalyptic number.

23065999 is a deficient number, since it is larger than the sum of its proper divisors (2096921).

23065999 is a wasteful number, since it uses less digits than its factorization.

23065999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096920.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 23065999 is about 4802.7074655865. The cubic root of 23065999 is about 284.6584561494.

It can be divided in two parts, 2 and 3065999, that added together give a square (3066001 = 1751²).

The spelling of 23065999 in words is "twenty-three million, sixty-five thousand, nine hundred ninety-nine".