12312023142420 has 72 divisors (see below), whose sum is σ = 37350785961216. Its totient is φ = 3282826763712.

The previous prime is 12312023142337. The next prime is 12312023142451. The reversal of 12312023142420 is 2424132021321.

12312023142420 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 2 + 0 + 231 + 4 + 2 + 420 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2388492 + ... + 5507171.

It is an arithmetic number, because the mean of its divisors is an integer number (518760916128).

Almost surely, 2^{12312023142420} is an apocalyptic number.

12312023142420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312023142420 is an abundant number, since it is smaller than the sum of its proper divisors (25038762818796).

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

12312023142420 is a wasteful number, since it uses less digits than its factorization.

12312023142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7904341 (or 7904336 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12312023142420 its reverse (2424132021321), we get a palindrome (14736155163741).

The spelling of 12312023142420 in words is "twelve trillion, three hundred twelve billion, twenty-three million, one hundred forty-two thousand, four hundred twenty".