23085481 has 2 divisors, whose sum is σ = 23085482. Its totient is φ = 23085480.

The previous prime is 23085467. The next prime is 23085487. The reversal of 23085481 is 18458032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22477081 + 608400 = 4741^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 23085481 - 2⁵ = 23085449 is a prime.

It is a super-2 number, since 2×23085481² = 1065878866002722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23085487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11542740 + 11542741.

It is an arithmetic number, because the mean of its divisors is an integer number (11542741).

Almost surely, 2^23085481 is an apocalyptic number.

It is an amenable number.

23085481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23085481 is an equidigital number, since it uses as much as digits as its factorization.

23085481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 23085481 is about 4804.7352684617. The cubic root of 23085481 is about 284.7385763216.

The spelling of 23085481 in words is "twenty-three million, eighty-five thousand, four hundred eighty-one".