23025181 has 4 divisors (see below), whose sum is σ = 23262652. Its totient is φ = 22787712.

The previous prime is 23025173. The next prime is 23025193. The reversal of 23025181 is 18152032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3080025 + 19945156 = 1755^2 + 4466^2 .

It is a cyclic number.

It is not a de Polignac number, because 23025181 - 2³ = 23025173 is a prime.

It is a super-2 number, since 2×23025181² = 1060317920165522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23025151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118590 + ... + 118783.

It is an arithmetic number, because the mean of its divisors is an integer number (5815663).

Almost surely, 2^23025181 is an apocalyptic number.

It is an amenable number.

23025181 is a deficient number, since it is larger than the sum of its proper divisors (237471).

23025181 is an equidigital number, since it uses as much as digits as its factorization.

23025181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237470.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 23025181 is about 4798.4561058741. The cubic root of 23025181 is about 284.4904447914.

The spelling of 23025181 in words is "twenty-three million, twenty-five thousand, one hundred eighty-one".