12401312023 has 4 divisors (see below), whose sum is σ = 12445445088. Its totient is φ = 12357178960.

The previous prime is 12401311999. The next prime is 12401312039. The reversal of 12401312023 is 32021310421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32021310421 = 126443 ⋅253247.

It is a cyclic number.

It is not a de Polignac number, because 12401312023 - 2³³ = 3811377431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401312083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22066111 + ... + 22066672.

It is an arithmetic number, because the mean of its divisors is an integer number (3111361272).

Almost surely, 2^12401312023 is an apocalyptic number.

12401312023 is a deficient number, since it is larger than the sum of its proper divisors (44133065).

12401312023 is an equidigital number, since it uses as much as digits as its factorization.

12401312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44133064.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12401312023 its reverse (32021310421), we get a palindrome (44422622444).

The spelling of 12401312023 in words is "twelve billion, four hundred one million, three hundred twelve thousand, twenty-three".