23081263 has 2 divisors, whose sum is σ = 23081264. Its totient is φ = 23081262.

The previous prime is 23081251. The next prime is 23081269. The reversal of 23081263 is 36218032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23081263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23081269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11540631 + 11540632.

It is an arithmetic number, because the mean of its divisors is an integer number (11540632).

Almost surely, 2^23081263 is an apocalyptic number.

23081263 is a deficient number, since it is larger than the sum of its proper divisors (1).

23081263 is an equidigital number, since it uses as much as digits as its factorization.

23081263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 23081263 is about 4804.2963064324. The cubic root of 23081263 is about 284.7212335241.

Adding to 23081263 its reverse (36218032), we get a palindrome (59299295).

The spelling of 23081263 in words is "twenty-three million, eighty-one thousand, two hundred sixty-three".