12323431223454 has 64 divisors (see below), whose sum is σ = 27456264299520. Its totient is φ = 3662801078400.

The previous prime is 12323431223449. The next prime is 12323431223497. The reversal of 12323431223454 is 45432213432321.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14958822 + ... + 15761129.

It is an arithmetic number, because the mean of its divisors is an integer number (429004129680).

Almost surely, 2^{12323431223454} is an apocalyptic number.

12323431223454 is an abundant number, since it is smaller than the sum of its proper divisors (15132833076066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323431223454 is a wasteful number, since it uses less digits than its factorization.

12323431223454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30720145.

The product of its digits is 414720, while the sum is 39.

Adding to 12323431223454 its reverse (45432213432321), we get a palindrome (57755644655775).

The spelling of 12323431223454 in words is "twelve trillion, three hundred twenty-three billion, four hundred thirty-one million, two hundred twenty-three thousand, four hundred fifty-four".