23582161 has 2 divisors, whose sum is σ = 23582162. Its totient is φ = 23582160.

The previous prime is 23582147. The next prime is 23582171. The reversal of 23582161 is 16128532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18653761 + 4928400 = 4319^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 23582161 - 2⁷ = 23582033 is a prime.

It is a super-2 number, since 2×23582161² = 1112236634859842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23582101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11791080 + 11791081.

It is an arithmetic number, because the mean of its divisors is an integer number (11791081).

Almost surely, 2^23582161 is an apocalyptic number.

It is an amenable number.

23582161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23582161 is an equidigital number, since it uses as much as digits as its factorization.

23582161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 23582161 is about 4856.1467234835. The cubic root of 23582161 is about 286.7661374354.

The spelling of 23582161 in words is "twenty-three million, five hundred eighty-two thousand, one hundred sixty-one".