12423323401 has 2 divisors, whose sum is σ = 12423323402. Its totient is φ = 12423323400.

The previous prime is 12423323387. The next prime is 12423323443. The reversal of 12423323401 is 10432332421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8971878400 + 3451445001 = 94720^2 + 58749^2 .

It is a cyclic number.

It is not a de Polignac number, because 12423323401 - 2⁹ = 12423322889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12423323491) 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, 6211661700 + 6211661701.

It is an arithmetic number, because the mean of its divisors is an integer number (6211661701).

Almost surely, 2^12423323401 is an apocalyptic number.

It is an amenable number.

12423323401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423323401 is an equidigital number, since it uses as much as digits as its factorization.

12423323401 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 25.

Adding to 12423323401 its reverse (10432332421), we get a palindrome (22855655822).

The spelling of 12423323401 in words is "twelve billion, four hundred twenty-three million, three hundred twenty-three thousand, four hundred one".