320373743 has 4 divisors (see below), whose sum is σ = 320937360. Its totient is φ = 319810128.

The previous prime is 320373727. The next prime is 320373773. The reversal of 320373743 is 347373023.

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

It is a cyclic number.

It is not a de Polignac number, because 320373743 - 2⁴ = 320373727 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 (320373773) 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, 280955 + ... + 282092.

It is an arithmetic number, because the mean of its divisors is an integer number (80234340).

Almost surely, 2^320373743 is an apocalyptic number.

320373743 is a deficient number, since it is larger than the sum of its proper divisors (563617).

320373743 is an equidigital number, since it uses as much as digits as its factorization.

320373743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563616.

The product of its (nonzero) digits is 31752, while the sum is 32.

The square root of 320373743 is about 17898.9872059846. The cubic root of 320373743 is about 684.2565632095.

The spelling of 320373743 in words is "three hundred twenty million, three hundred seventy-three thousand, seven hundred forty-three".