321034430123 has 16 divisors (see below), whose sum is σ = 365518711296. Its totient is φ = 279105066240.

The previous prime is 321034430099. The next prime is 321034430141.

321034430123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321034430123 - 2²⁸ = 320765994667 is a prime.

It is a super-3 number, since 3×321034430123³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321034430092 and 321034430101.

It is not an unprimeable number, because it can be changed into a prime (321034430323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180586 + ... + 1426832.

It is an arithmetic number, because the mean of its divisors is an integer number (22844919456).

Almost surely, 2^321034430123 is an apocalyptic number.

321034430123 is a deficient number, since it is larger than the sum of its proper divisors (44484281173).

321034430123 is a wasteful number, since it uses less digits than its factorization.

321034430123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251434.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 321034 and 430123, that added together give a palindrome (751157).

The spelling of 321034430123 in words is "three hundred twenty-one billion, thirty-four million, four hundred thirty thousand, one hundred twenty-three".