23045965 has 8 divisors (see below), whose sum is σ = 29282040. Its totient is φ = 17352192.

The previous prime is 23045929. The next prime is 23046007. The reversal of 23045965 is 56954032.

It can be written as a sum of positive squares in 4 ways, for example, as 12096484 + 10949481 = 3478^2 + 3309^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23045965 - 2⁷ = 23045837 is a prime.

It is a super-2 number, since 2×23045965² = 1062233005562450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23045965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135480 + ... + 135649.

It is an arithmetic number, because the mean of its divisors is an integer number (3660255).

Almost surely, 2^23045965 is an apocalyptic number.

It is an amenable number.

23045965 is a deficient number, since it is larger than the sum of its proper divisors (6236075).

23045965 is a wasteful number, since it uses less digits than its factorization.

23045965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271151.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 23045965 is about 4800.6213139551. The cubic root of 23045965 is about 284.5760188011.

Adding to 23045965 its reverse (56954032), we get a palindrome (79999997).

The spelling of 23045965 in words is "twenty-three million, forty-five thousand, nine hundred sixty-five".