321404223224342 has 4 divisors (see below), whose sum is σ = 482106334836516. Its totient is φ = 160702111612170.

The previous prime is 321404223224333. The next prime is 321404223224389. The reversal of 321404223224342 is 243422322404123.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×321404223224342² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321404223224296 and 321404223224305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80351055806084 + ... + 80351055806087.

It is an arithmetic number, because the mean of its divisors is an integer number (120526583709129).

Almost surely, 2^{321404223224342} is an apocalyptic number.

321404223224342 is a deficient number, since it is larger than the sum of its proper divisors (160702111612174).

321404223224342 is a wasteful number, since it uses less digits than its factorization.

321404223224342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160702111612173.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 321404223224342 its reverse (243422322404123), we get a palindrome (564826545628465).

The spelling of 321404223224342 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred twenty-three million, two hundred twenty-four thousand, three hundred forty-two".