23605945 has 16 divisors (see below), whose sum is σ = 32721408. Its totient is φ = 16157440.

The previous prime is 23605943. The next prime is 23606053. The reversal of 23605945 is 54950632.

It is not a de Polignac number, because 23605945 - 2¹ = 23605943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23605945.

It is not an unprimeable number, because it can be changed into a prime (23605943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11689 + ... + 13558.

It is an arithmetic number, because the mean of its divisors is an integer number (2045088).

Almost surely, 2^23605945 is an apocalyptic number.

It is an amenable number.

23605945 is a deficient number, since it is larger than the sum of its proper divisors (9115463).

23605945 is a wasteful number, since it uses less digits than its factorization.

23605945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25280.

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

The square root of 23605945 is about 4858.5949615089. The cubic root of 23605945 is about 286.8625118962.

The spelling of 23605945 in words is "twenty-three million, six hundred five thousand, nine hundred forty-five".