320423244402 has 8 divisors (see below), whose sum is σ = 640846488816. Its totient is φ = 106807748132.

The previous prime is 320423244347. The next prime is 320423244439. The reversal of 320423244402 is 204442324023.

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

320423244402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 320423244402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26701937028 + ... + 26701937039.

It is an arithmetic number, because the mean of its divisors is an integer number (80105811102).

Almost surely, 2^320423244402 is an apocalyptic number.

320423244402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320423244402 is a wasteful number, since it uses less digits than its factorization.

320423244402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53403874072.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 320423244402 its reverse (204442324023), we get a palindrome (524865568425).

The spelling of 320423244402 in words is "three hundred twenty billion, four hundred twenty-three million, two hundred forty-four thousand, four hundred two".