320232001 has 2 divisors, whose sum is σ = 320232002. Its totient is φ = 320232000.

The previous prime is 320231993. The next prime is 320232041. The reversal of 320232001 is 100232023.

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., 319551376 + 680625 = 17876^2 + 825^2 .

It is an emirp because it is prime and its reverse (100232023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320232001 - 2³ = 320231993 is a prime.

It is not a weakly prime, because it can be changed into another prime (320232041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160116000 + 160116001.

It is an arithmetic number, because the mean of its divisors is an integer number (160116001).

Almost surely, 2^320232001 is an apocalyptic number.

It is an amenable number.

320232001 is a deficient number, since it is larger than the sum of its proper divisors (1).

320232001 is an equidigital number, since it uses as much as digits as its factorization.

320232001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320232001 is about 17895.0272701664. The cubic root of 320232001 is about 684.1556371268.

Adding to 320232001 its reverse (100232023), we get a palindrome (420464024).

It can be divided in two parts, 3 and 20232001, that added together give a square (20232004 = 4498²).

The spelling of 320232001 in words is "three hundred twenty million, two hundred thirty-two thousand, one".