320223013 has 8 divisors (see below), whose sum is σ = 349469280. Its totient is φ = 290999280.

The previous prime is 320222957. The next prime is 320223023. The reversal of 320223013 is 310322023.

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

It is not a de Polignac number, because 320223013 - 2¹³ = 320214821 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 (320223023) 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, 40683 + ... + 47911.

It is an arithmetic number, because the mean of its divisors is an integer number (43683660).

Almost surely, 2^320223013 is an apocalyptic number.

It is an amenable number.

320223013 is a deficient number, since it is larger than the sum of its proper divisors (29246267).

320223013 is a wasteful number, since it uses less digits than its factorization.

320223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11267.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 320223013 is about 17894.7761371860. The cubic root of 320223013 is about 684.1492363004.

Adding to 320223013 its reverse (310322023), we get a palindrome (630545036).

The spelling of 320223013 in words is "three hundred twenty million, two hundred twenty-three thousand, thirteen".