23245229281 has 2 divisors, whose sum is σ = 23245229282. Its totient is φ = 23245229280.

The previous prime is 23245229279. The next prime is 23245229303. The reversal of 23245229281 is 18292254232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22897742400 + 347486881 = 151320^2 + 18641^2 .

It is a cyclic number.

It is not a de Polignac number, because 23245229281 - 2¹ = 23245229279 is a prime.

It is a super-2 number, since 2×23245229281² (a number of 22 digits) contains 22 as substring.

Together with 23245229279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23245229201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11622614640 + 11622614641.

It is an arithmetic number, because the mean of its divisors is an integer number (11622614641).

Almost surely, 2^23245229281 is an apocalyptic number.

It is an amenable number.

23245229281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23245229281 is an equidigital number, since it uses as much as digits as its factorization.

23245229281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The spelling of 23245229281 in words is "twenty-three billion, two hundred forty-five million, two hundred twenty-nine thousand, two hundred eighty-one".