23021263 has 2 divisors, whose sum is σ = 23021264. Its totient is φ = 23021262.

The previous prime is 23021261. The next prime is 23021279. The reversal of 23021263 is 36212032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23021263 - 2¹ = 23021261 is a prime.

Together with 23021261, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23021263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23021261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510631 + 11510632.

It is an arithmetic number, because the mean of its divisors is an integer number (11510632).

Almost surely, 2^23021263 is an apocalyptic number.

23021263 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021263 is an equidigital number, since it uses as much as digits as its factorization.

23021263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23021263 is about 4798.0478321918. The cubic root of 23021263 is about 284.4743074330.

Adding to 23021263 its reverse (36212032), we get a palindrome (59233295).

The spelling of 23021263 in words is "twenty-three million, twenty-one thousand, two hundred sixty-three".