23488181 has 2 divisors, whose sum is σ = 23488182. Its totient is φ = 23488180.

The previous prime is 23488141. The next prime is 23488187. The reversal of 23488181 is 18188432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23435281 + 52900 = 4841^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 23488181 - 2⁶ = 23488117 is a prime.

It is a super-2 number, since 2×23488181² = 1103389293377522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23488187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11744090 + 11744091.

It is an arithmetic number, because the mean of its divisors is an integer number (11744091).

Almost surely, 2^23488181 is an apocalyptic number.

It is an amenable number.

23488181 is a deficient number, since it is larger than the sum of its proper divisors (1).

23488181 is an equidigital number, since it uses as much as digits as its factorization.

23488181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 35.

The square root of 23488181 is about 4846.4606673324. The cubic root of 23488181 is about 286.3846886223.

The spelling of 23488181 in words is "twenty-three million, four hundred eighty-eight thousand, one hundred eighty-one".