23621263 has 2 divisors, whose sum is σ = 23621264. Its totient is φ = 23621262.

The previous prime is 23621261. The next prime is 23621291. The reversal of 23621263 is 36212632.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23621263 - 2¹ = 23621261 is a prime.

Together with 23621261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23621261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11810631 + 11810632.

It is an arithmetic number, because the mean of its divisors is an integer number (11810632).

Almost surely, 2^23621263 is an apocalyptic number.

23621263 is a deficient number, since it is larger than the sum of its proper divisors (1).

23621263 is an equidigital number, since it uses as much as digits as its factorization.

23621263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 23621263 is about 4860.1710875236. The cubic root of 23621263 is about 286.9245472555.

Adding to 23621263 its reverse (36212632), we get a palindrome (59833895).

The spelling of 23621263 in words is "twenty-three million, six hundred twenty-one thousand, two hundred sixty-three".