320203002343423 has 8 divisors (see below), whose sum is σ = 321537967708608. Its totient is φ = 318869684069664.

The previous prime is 320203002343417. The next prime is 320203002343451. The reversal of 320203002343423 is 324343200302023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320203002343423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320203002343493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411383236 + ... + 412160857.

It is an arithmetic number, because the mean of its divisors is an integer number (40192245963576).

Almost surely, 2^{320203002343423} is an apocalyptic number.

320203002343423 is a deficient number, since it is larger than the sum of its proper divisors (1334965365185).

320203002343423 is a wasteful number, since it uses less digits than its factorization.

320203002343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823545713.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 320203002343423 its reverse (324343200302023), we get a palindrome (644546202645446).

The spelling of 320203002343423 in words is "three hundred twenty trillion, two hundred three billion, two million, three hundred forty-three thousand, four hundred twenty-three".