344402321342 has 4 divisors (see below), whose sum is σ = 516603482016. Its totient is φ = 172201160670.

The previous prime is 344402321327. The next prime is 344402321381. The reversal of 344402321342 is 243123204443.

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

It is a super-2 number, since 2×344402321342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344402321299 and 344402321308.

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, 86100580334 + ... + 86100580337.

It is an arithmetic number, because the mean of its divisors is an integer number (129150870504).

Almost surely, 2^344402321342 is an apocalyptic number.

344402321342 is a deficient number, since it is larger than the sum of its proper divisors (172201160674).

344402321342 is a wasteful number, since it uses less digits than its factorization.

344402321342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172201160673.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 344402321342 its reverse (243123204443), we get a palindrome (587525525785).

The spelling of 344402321342 in words is "three hundred forty-four billion, four hundred two million, three hundred twenty-one thousand, three hundred forty-two".