23985790 has 16 divisors (see below), whose sum is σ = 45447120. Its totient is φ = 9089280.

The previous prime is 23985781. The next prime is 23985791. The reversal of 23985790 is 9758932.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62931 + ... + 63310.

It is an arithmetic number, because the mean of its divisors is an integer number (2840445).

Almost surely, 2^23985790 is an apocalyptic number.

23985790 is a deficient number, since it is larger than the sum of its proper divisors (21461330).

23985790 is a wasteful number, since it uses less digits than its factorization.

23985790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126267.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 23985790 is about 4897.5289687760. The cubic root of 23985790 is about 288.3929740267.

The spelling of 23985790 in words is "twenty-three million, nine hundred eighty-five thousand, seven hundred ninety".