23679765 has 48 divisors (see below), whose sum is σ = 43400448. Its totient is φ = 11920128.

The previous prime is 23679763. The next prime is 23679769. The reversal of 23679765 is 56797632.

It is not a de Polignac number, because 23679765 - 2¹ = 23679763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23679765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23679763) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141712 + ... + 141878.

It is an arithmetic number, because the mean of its divisors is an integer number (904176).

Almost surely, 2^23679765 is an apocalyptic number.

It is an amenable number.

23679765 is a deficient number, since it is larger than the sum of its proper divisors (19720683).

23679765 is a wasteful number, since it uses less digits than its factorization.

23679765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 335 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 23679765 is about 4866.1858780774. The cubic root of 23679765 is about 287.1612241484.

The spelling of 23679765 in words is "twenty-three million, six hundred seventy-nine thousand, seven hundred sixty-five".