23623574281 has 2 divisors, whose sum is σ = 23623574282. Its totient is φ = 23623574280.

The previous prime is 23623574279. The next prime is 23623574309. The reversal of 23623574281 is 18247532632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17561550400 + 6062023881 = 132520^2 + 77859^2 .

It is a cyclic number.

It is not a de Polignac number, because 23623574281 - 2¹ = 23623574279 is a prime.

It is a super-2 number, since 2×23623574281² (a number of 22 digits) contains 22 as substring.

Together with 23623574279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23623574231) 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, 11811787140 + 11811787141.

It is an arithmetic number, because the mean of its divisors is an integer number (11811787141).

Almost surely, 2^23623574281 is an apocalyptic number.

It is an amenable number.

23623574281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23623574281 is an equidigital number, since it uses as much as digits as its factorization.

23623574281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The spelling of 23623574281 in words is "twenty-three billion, six hundred twenty-three million, five hundred seventy-four thousand, two hundred eighty-one".