320743936230 has 64 divisors (see below), whose sum is σ = 775023275520. Its totient is φ = 84950436096.

The previous prime is 320743936229. The next prime is 320743936319. The reversal of 320743936230 is 32639347023.

It is a happy number.

It is a super-2 number, since 2×320743936230² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7602474 + ... + 7644546.

It is an arithmetic number, because the mean of its divisors is an integer number (12109738680).

Almost surely, 2^320743936230 is an apocalyptic number.

320743936230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320743936230 is an abundant number, since it is smaller than the sum of its proper divisors (454279339290).

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

320743936230 is a wasteful number, since it uses less digits than its factorization.

320743936230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43805.

The product of its (nonzero) digits is 489888, while the sum is 42.

The spelling of 320743936230 in words is "three hundred twenty billion, seven hundred forty-three million, nine hundred thirty-six thousand, two hundred thirty".