321421124123 has 4 divisors (see below), whose sum is σ = 350641226328. Its totient is φ = 292201021920.

The previous prime is 321421124119. The next prime is 321421124147.

It is a happy number.

321421124123 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 321421124123 - 2² = 321421124119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321421124092 and 321421124101.

It is not an unprimeable number, because it can be changed into a prime (321421124153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14610051086 + ... + 14610051107.

It is an arithmetic number, because the mean of its divisors is an integer number (87660306582).

Almost surely, 2^321421124123 is an apocalyptic number.

321421124123 is a deficient number, since it is larger than the sum of its proper divisors (29220102205).

321421124123 is a wasteful number, since it uses less digits than its factorization.

321421124123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29220102204.

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 321421 and 124123, that added together give a palindrome (445544).

The spelling of 321421124123 in words is "three hundred twenty-one billion, four hundred twenty-one million, one hundred twenty-four thousand, one hundred twenty-three".