23025920 has 36 divisors (see below), whose sum is σ = 55157340. Its totient is φ = 9209856.

The previous prime is 23025917. The next prime is 23025931. The reversal of 23025920 is 2952032.

It can be written as a sum of positive squares in 2 ways, for example, as 13191424 + 9834496 = 3632^2 + 3136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7715 + ... + 10274.

Almost surely, 2^23025920 is an apocalyptic number.

23025920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23025920 is an abundant number, since it is smaller than the sum of its proper divisors (32131420).

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

23025920 is an equidigital number, since it uses as much as digits as its factorization.

23025920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18010 (or 17996 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 23025920 is about 4798.5331091908. The cubic root of 23025920 is about 284.4934883605.

Adding to 23025920 its reverse (2952032), we get a palindrome (25977952).

The spelling of 23025920 in words is "twenty-three million, twenty-five thousand, nine hundred twenty".