321000000000123 has 16 divisors (see below), whose sum is σ = 439670487338496. Its totient is φ = 208167464746080.

The previous prime is 321000000000103. The next prime is 321000000000143.

It is a happy number.

321000000000123 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (321000000000103) and next prime (321000000000143).

It is not a de Polignac number, because 321000000000123 - 2⁹ = 320999999999611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321000000000099 and 321000000000108.

It is not an unprimeable number, because it can be changed into a prime (321000000000103) 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, 338075661 + ... + 339023822.

It is an arithmetic number, because the mean of its divisors is an integer number (27479405458656).

Almost surely, 2^{321000000000123} is an apocalyptic number.

321000000000123 is a deficient number, since it is larger than the sum of its proper divisors (118670487338373).

321000000000123 is a wasteful number, since it uses less digits than its factorization.

321000000000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677103794.

The product of its (nonzero) digits is 36, while the sum is 12.

It can be divided in two parts, 321000000000 and 123, that added together give a palindrome (321000000123).

The spelling of 321000000000123 in words is "three hundred twenty-one trillion, one hundred twenty-three", and thus it is an aban number.