23285745 has 64 divisors (see below), whose sum is σ = 48545280. Its totient is φ = 10368000.

The previous prime is 23285741. The next prime is 23285761. The reversal of 23285745 is 54758232.

It is not a de Polignac number, because 23285745 - 2² = 23285741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23285741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38445 + ... + 39045.

It is an arithmetic number, because the mean of its divisors is an integer number (758520).

Almost surely, 2^23285745 is an apocalyptic number.

It is an amenable number.

23285745 is an abundant number, since it is smaller than the sum of its proper divisors (25259535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23285745 is a wasteful number, since it uses less digits than its factorization.

23285745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 657 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 23285745 is about 4825.5305407799. The cubic root of 23285745 is about 285.5595654571.

The spelling of 23285745 in words is "twenty-three million, two hundred eighty-five thousand, seven hundred forty-five".