312141221423423 has 4 divisors (see below), whose sum is σ = 356732824483920. Its totient is φ = 267549618362928.

The previous prime is 312141221423407. The next prime is 312141221423429. The reversal of 312141221423423 is 324324122141213.

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 312141221423423 - 2⁴ = 312141221423407 is a prime.

It is a super-2 number, since 2×312141221423423² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312141221423429) 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, 22295801530238 + ... + 22295801530251.

It is an arithmetic number, because the mean of its divisors is an integer number (89183206120980).

Almost surely, 2^{312141221423423} is an apocalyptic number.

312141221423423 is a deficient number, since it is larger than the sum of its proper divisors (44591603060497).

312141221423423 is an equidigital number, since it uses as much as digits as its factorization.

312141221423423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44591603060496.

The product of its digits is 55296, while the sum is 35.

Adding to 312141221423423 its reverse (324324122141213), we get a palindrome (636465343564636).

The spelling of 312141221423423 in words is "three hundred twelve trillion, one hundred forty-one billion, two hundred twenty-one million, four hundred twenty-three thousand, four hundred twenty-three".