320240442233 has 2 divisors, whose sum is σ = 320240442234. Its totient is φ = 320240442232.

The previous prime is 320240442227. The next prime is 320240442251. The reversal of 320240442233 is 332244042023.

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., 185461145104 + 134779297129 = 430652^2 + 367123^2 .

It is an emirp because it is prime and its reverse (332244042023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320240442233 - 2⁴ = 320240442217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320240442196 and 320240442205.

It is not a weakly prime, because it can be changed into another prime (320240442283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160120221116 + 160120221117.

It is an arithmetic number, because the mean of its divisors is an integer number (160120221117).

Almost surely, 2^320240442233 is an apocalyptic number.

It is an amenable number.

320240442233 is a deficient number, since it is larger than the sum of its proper divisors (1).

320240442233 is an equidigital number, since it uses as much as digits as its factorization.

320240442233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 320240442233 its reverse (332244042023), we get a palindrome (652484484256).

The spelling of 320240442233 in words is "three hundred twenty billion, two hundred forty million, four hundred forty-two thousand, two hundred thirty-three".