320234263 has 4 divisors (see below), whose sum is σ = 320710768. Its totient is φ = 319757760.

The previous prime is 320234251. The next prime is 320234279. The reversal of 320234263 is 362432023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362432023 = 853 ⋅424891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320234263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320234363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237243 + ... + 238588.

It is an arithmetic number, because the mean of its divisors is an integer number (80177692).

Almost surely, 2^320234263 is an apocalyptic number.

320234263 is a deficient number, since it is larger than the sum of its proper divisors (476505).

320234263 is an equidigital number, since it uses as much as digits as its factorization.

320234263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476504.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 320234263 is about 17895.0904719702. The cubic root of 320234263 is about 684.1572479969.

Adding to 320234263 its reverse (362432023), we get a palindrome (682666286).

The spelling of 320234263 in words is "three hundred twenty million, two hundred thirty-four thousand, two hundred sixty-three".