12323155431451 has 4 divisors (see below), whose sum is σ = 12342027033072. Its totient is φ = 12304283829832.

The previous prime is 12323155431427. The next prime is 12323155431497. The reversal of 12323155431451 is 15413455132321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12323155431451 - 2¹³ = 12323155423259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12323155431401) 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, 9435799831 + ... + 9435801136.

It is an arithmetic number, because the mean of its divisors is an integer number (3085506758268).

Almost surely, 2^{12323155431451} is an apocalyptic number.

12323155431451 is a deficient number, since it is larger than the sum of its proper divisors (18871601621).

12323155431451 is an equidigital number, since it uses as much as digits as its factorization.

12323155431451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18871601620.

The product of its digits is 216000, while the sum is 40.

The spelling of 12323155431451 in words is "twelve trillion, three hundred twenty-three billion, one hundred fifty-five million, four hundred thirty-one thousand, four hundred fifty-one".