23303881 has 2 divisors, whose sum is σ = 23303882. Its totient is φ = 23303880.

The previous prime is 23303783. The next prime is 23303897. The reversal of 23303881 is 18830332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19536400 + 3767481 = 4420^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303881 - 2⁹ = 23303369 is a prime.

It is a super-2 number, since 2×23303881² = 1086141739324322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23303381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651940 + 11651941.

It is an arithmetic number, because the mean of its divisors is an integer number (11651941).

Almost surely, 2^23303881 is an apocalyptic number.

It is an amenable number.

23303881 is a deficient number, since it is larger than the sum of its proper divisors (1).

23303881 is an equidigital number, since it uses as much as digits as its factorization.

23303881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23303881 is about 4827.4093466372. The cubic root of 23303881 is about 285.6336818222.

The spelling of 23303881 in words is "twenty-three million, three hundred three thousand, eight hundred eighty-one".