320231112073 has 2 divisors, whose sum is σ = 320231112074. Its totient is φ = 320231112072.

The previous prime is 320231112043. The next prime is 320231112107. The reversal of 320231112073 is 370211132023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297457887609 + 22773224464 = 545397^2 + 150908^2 .

It is a cyclic number.

It is not a de Polignac number, because 320231112073 - 2¹⁷ = 320230981001 is a prime.

It is not a weakly prime, because it can be changed into another prime (320231112043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160115556036 + 160115556037.

It is an arithmetic number, because the mean of its divisors is an integer number (160115556037).

Almost surely, 2^320231112073 is an apocalyptic number.

It is an amenable number.

320231112073 is a deficient number, since it is larger than the sum of its proper divisors (1).

320231112073 is an equidigital number, since it uses as much as digits as its factorization.

320231112073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 320231112073 its reverse (370211132023), we get a palindrome (690442244096).

The spelling of 320231112073 in words is "three hundred twenty billion, two hundred thirty-one million, one hundred twelve thousand, seventy-three".