12456120313023 has 16 divisors (see below), whose sum is σ = 16857410607840. Its totient is φ = 8180335857024.

The previous prime is 12456120312971. The next prime is 12456120313037. The reversal of 12456120313023 is 32031302165421.

It is not a de Polignac number, because 12456120313023 - 2¹⁷ = 12456120181951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12456120313123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110036236 + ... + 110149377.

It is an arithmetic number, because the mean of its divisors is an integer number (1053588162990).

Almost surely, 2^{12456120313023} is an apocalyptic number.

12456120313023 is a deficient number, since it is larger than the sum of its proper divisors (4401290294817).

12456120313023 is a wasteful number, since it uses less digits than its factorization.

12456120313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220185898.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 12456120313023 its reverse (32031302165421), we get a palindrome (44487422478444).

The spelling of 12456120313023 in words is "twelve trillion, four hundred fifty-six billion, one hundred twenty million, three hundred thirteen thousand, twenty-three".