342321521446 has 8 divisors (see below), whose sum is σ = 514328218560. Its totient is φ = 170878781928.

The previous prime is 342321521431. The next prime is 342321521447. The reversal of 342321521446 is 644125123243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342321521447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140987881 + ... + 140990308.

It is an arithmetic number, because the mean of its divisors is an integer number (64291027320).

Almost surely, 2^342321521446 is an apocalyptic number.

342321521446 is a deficient number, since it is larger than the sum of its proper divisors (172006697114).

342321521446 is a wasteful number, since it uses less digits than its factorization.

342321521446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281978798.

The product of its digits is 138240, while the sum is 37.

Adding to 342321521446 its reverse (644125123243), we get a palindrome (986446644689).

The spelling of 342321521446 in words is "three hundred forty-two billion, three hundred twenty-one million, five hundred twenty-one thousand, four hundred forty-six".