23981263 has 2 divisors, whose sum is σ = 23981264. Its totient is φ = 23981262.

The previous prime is 23981227. The next prime is 23981297. The reversal of 23981263 is 36218932.

It is a happy number.

It is an a-pointer prime, because the next prime (23981297) can be obtained adding 23981263 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23981263 - 2¹³ = 23973071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23981063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11990631 + 11990632.

It is an arithmetic number, because the mean of its divisors is an integer number (11990632).

Almost surely, 2^23981263 is an apocalyptic number.

23981263 is a deficient number, since it is larger than the sum of its proper divisors (1).

23981263 is an equidigital number, since it uses as much as digits as its factorization.

23981263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 23981263 is about 4897.0667751216. The cubic root of 23981263 is about 288.3748294345.

The spelling of 23981263 in words is "twenty-three million, nine hundred eighty-one thousand, two hundred sixty-three".