23320765 has 16 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 17163072.

The previous prime is 23320709. The next prime is 23320777. The reversal of 23320765 is 56702332.

It is a cyclic number.

It is not a de Polignac number, because 23320765 - 2¹¹ = 23318717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32076 + ... + 32794.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^23320765 is an apocalyptic number.

It is an amenable number.

23320765 is a deficient number, since it is larger than the sum of its proper divisors (6919235).

23320765 is a wasteful number, since it uses less digits than its factorization.

23320765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 23320765 is about 4829.1577940672. The cubic root of 23320765 is about 285.7026470854.

The spelling of 23320765 in words is "twenty-three million, three hundred twenty thousand, seven hundred sixty-five".