23240181 has 8 divisors (see below), whose sum is σ = 31824544. Its totient is φ = 15074640.

The previous prime is 23240171. The next prime is 23240183. The reversal of 23240181 is 18104232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23240181 - 2⁵ = 23240149 is a prime.

It is a super-2 number, since 2×23240181² = 1080212025825522, 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 (23240183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104575 + ... + 104796.

It is an arithmetic number, because the mean of its divisors is an integer number (3978068).

Almost surely, 2^23240181 is an apocalyptic number.

It is an amenable number.

23240181 is a deficient number, since it is larger than the sum of its proper divisors (8584363).

23240181 is a wasteful number, since it uses less digits than its factorization.

23240181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209411.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 23240181 is about 4820.8070901043. The cubic root of 23240181 is about 285.3731891743.

The spelling of 23240181 in words is "twenty-three million, two hundred forty thousand, one hundred eighty-one".