23482181 has 2 divisors, whose sum is σ = 23482182. Its totient is φ = 23482180.

The previous prime is 23482139. The next prime is 23482183. The reversal of 23482181 is 18128432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22562500 + 919681 = 4750^2 + 959^2 .

It is a cyclic number.

It is not a de Polignac number, because 23482181 - 2¹⁸ = 23220037 is a prime.

It is a super-2 number, since 2×23482181² = 1102825649033522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 23482183, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23482183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11741090 + 11741091.

It is an arithmetic number, because the mean of its divisors is an integer number (11741091).

Almost surely, 2^23482181 is an apocalyptic number.

It is an amenable number.

23482181 is a deficient number, since it is larger than the sum of its proper divisors (1).

23482181 is an equidigital number, since it uses as much as digits as its factorization.

23482181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 29.

The square root of 23482181 is about 4845.8416193681. The cubic root of 23482181 is about 286.3603011163.

The spelling of 23482181 in words is "twenty-three million, four hundred eighty-two thousand, one hundred eighty-one".