2303123231281 has 2 divisors, whose sum is σ = 2303123231282. Its totient is φ = 2303123231280.

The previous prime is 2303123231251. The next prime is 2303123231347. The reversal of 2303123231281 is 1821323213032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2094434150656 + 208689080625 = 1447216^2 + 456825^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303123231281 - 2¹⁷ = 2303123100209 is a prime.

It is a super-2 number, since 2×2303123231281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2303123231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151561615640 + 1151561615641.

It is an arithmetic number, because the mean of its divisors is an integer number (1151561615641).

Almost surely, 2^{2303123231281} is an apocalyptic number.

It is an amenable number.

2303123231281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303123231281 is an equidigital number, since it uses as much as digits as its factorization.

2303123231281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 2303123231281 in words is "two trillion, three hundred three billion, one hundred twenty-three million, two hundred thirty-one thousand, two hundred eighty-one".