320232343231903 has 8 divisors (see below), whose sum is σ = 321950409056640. Its totient is φ = 318517787247000.

The previous prime is 320232343231891. The next prime is 320232343231943. The reversal of 320232343231903 is 309132343232023.

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-320232343231903 is a prime.

It is a super-2 number, since 2×320232343231903² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320232343231943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877276993 + ... + 877641946.

It is an arithmetic number, because the mean of its divisors is an integer number (40243801132080).

Almost surely, 2^{320232343231903} is an apocalyptic number.

320232343231903 is a deficient number, since it is larger than the sum of its proper divisors (1718065824737).

320232343231903 is a wasteful number, since it uses less digits than its factorization.

320232343231903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754919917.

The product of its (nonzero) digits is 419904, while the sum is 40.

Adding to 320232343231903 its reverse (309132343232023), we get a palindrome (629364686463926).

The spelling of 320232343231903 in words is "three hundred twenty trillion, two hundred thirty-two billion, three hundred forty-three million, two hundred thirty-one thousand, nine hundred three".