23280844 has 12 divisors (see below), whose sum is σ = 41842864. Its totient is φ = 11325744.

The previous prime is 23280809. The next prime is 23280847. The reversal of 23280844 is 44808232.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78504 + ... + 78799.

Almost surely, 2^23280844 is an apocalyptic number.

It is an amenable number.

23280844 is a deficient number, since it is larger than the sum of its proper divisors (18562020).

23280844 is a wasteful number, since it uses less digits than its factorization.

23280844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157344 (or 157342 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 23280844 is about 4825.0226942471. The cubic root of 23280844 is about 285.5395299428.

The spelling of 23280844 in words is "twenty-three million, two hundred eighty thousand, eight hundred forty-four".