320223033 has 24 divisors (see below), whose sum is σ = 527429448. Its totient is φ = 185467392.

The previous prime is 320223023. The next prime is 320223077. The reversal of 320223033 is 330322023.

It can be written as a sum of positive squares in 4 ways, for example, as 133818624 + 186404409 = 11568^2 + 13653^2 .

It is not a de Polignac number, because 320223033 - 2¹² = 320218937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320222997 and 320223015.

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 23 ways as a sum of consecutive naturals, for example, 78510 + ... + 82487.

It is an arithmetic number, because the mean of its divisors is an integer number (21976227).

Almost surely, 2^320223033 is an apocalyptic number.

It is an amenable number.

320223033 is a deficient number, since it is larger than the sum of its proper divisors (207206415).

320223033 is a wasteful number, since it uses less digits than its factorization.

320223033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161033 (or 161030 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 320223033 is about 17894.7766960083. The cubic root of 320223033 is about 684.1492505435.

Adding to 320223033 its reverse (330322023), we get a palindrome (650545056).

The spelling of 320223033 in words is "three hundred twenty million, two hundred twenty-three thousand, thirty-three".