23124181 has 2 divisors, whose sum is σ = 23124182. Its totient is φ = 23124180.

The previous prime is 23124173. The next prime is 23124187. The reversal of 23124181 is 18142132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22648081 + 476100 = 4759^2 + 690^2 .

It is a cyclic number.

It is not a de Polignac number, because 23124181 - 2³ = 23124173 is a prime.

It is a super-2 number, since 2×23124181² = 1069455493841522, 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 (23124187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11562090 + 11562091.

It is an arithmetic number, because the mean of its divisors is an integer number (11562091).

Almost surely, 2^23124181 is an apocalyptic number.

It is an amenable number.

23124181 is a deficient number, since it is larger than the sum of its proper divisors (1).

23124181 is an equidigital number, since it uses as much as digits as its factorization.

23124181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 22.

The square root of 23124181 is about 4808.7608590987. The cubic root of 23124181 is about 284.8975973542.

The spelling of 23124181 in words is "twenty-three million, one hundred twenty-four thousand, one hundred eighty-one".