23280845 has 32 divisors (see below), whose sum is σ = 33792000. Its totient is φ = 15059520.

The previous prime is 23280809. The next prime is 23280847. The reversal of 23280845 is 54808232.

It is not a de Polignac number, because 23280845 - 2¹² = 23276749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23280847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46406 + ... + 46904.

It is an arithmetic number, because the mean of its divisors is an integer number (1056000).

Almost surely, 2^23280845 is an apocalyptic number.

It is an amenable number.

23280845 is a deficient number, since it is larger than the sum of its proper divisors (10511155).

23280845 is a wasteful number, since it uses less digits than its factorization.

23280845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 23280845 is about 4825.0227978736. The cubic root of 23280845 is about 285.5395340311.

The spelling of 23280845 in words is "twenty-three million, two hundred eighty thousand, eight hundred forty-five".