320200023 has 32 divisors (see below), whose sum is σ = 517773312. Its totient is φ = 173347200.

The previous prime is 320200003. The next prime is 320200031. The reversal of 320200023 is 320002023.

It is not a de Polignac number, because 320200023 - 2¹³ = 320191831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320199981 and 320200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320200003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1261 + ... + 25337.

It is an arithmetic number, because the mean of its divisors is an integer number (16180416).

Almost surely, 2^320200023 is an apocalyptic number.

320200023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320200023 is a deficient number, since it is larger than the sum of its proper divisors (197573289).

320200023 is a wasteful number, since it uses less digits than its factorization.

320200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24135.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 320200023 is about 17894.1337594196. The cubic root of 320200023 is about 684.1328633699.

Adding to 320200023 its reverse (320002023), we get a palindrome (640202046).

It can be divided in two parts, 3202000 and 23, that added together give a palindrome (3202023).

The spelling of 320200023 in words is "three hundred twenty million, two hundred thousand, twenty-three".