13031421023 has 2 divisors, whose sum is σ = 13031421024. Its totient is φ = 13031421022.

The previous prime is 13031421001. The next prime is 13031421047. The reversal of 13031421023 is 32012413031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13031421023 - 2⁸ = 13031420767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13031420986 and 13031421004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031421323) 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, 6515710511 + 6515710512.

It is an arithmetic number, because the mean of its divisors is an integer number (6515710512).

Almost surely, 2^13031421023 is an apocalyptic number.

13031421023 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031421023 is an equidigital number, since it uses as much as digits as its factorization.

13031421023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13031421023 its reverse (32012413031), we get a palindrome (45043834054).

The spelling of 13031421023 in words is "thirteen billion, thirty-one million, four hundred twenty-one thousand, twenty-three".