321431424134123 has 4 divisors (see below), whose sum is σ = 340339154965560. Its totient is φ = 302523693302688.

The previous prime is 321431424134087. The next prime is 321431424134129.

321431424134123 is nontrivially palindromic in base 10.

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 321431424134123 - 2¹² = 321431424130027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321431424134129) 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, 9453865415693 + ... + 9453865415726.

It is an arithmetic number, because the mean of its divisors is an integer number (85084788741390).

Almost surely, 2^{321431424134123} is an apocalyptic number.

321431424134123 is a deficient number, since it is larger than the sum of its proper divisors (18907730831437).

321431424134123 is a wasteful number, since it uses less digits than its factorization.

321431424134123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18907730831436.

The product of its digits is 165888, while the sum is 38.

The spelling of 321431424134123 in words is "three hundred twenty-one trillion, four hundred thirty-one billion, four hundred twenty-four million, one hundred thirty-four thousand, one hundred twenty-three".