320123234 has 4 divisors (see below), whose sum is σ = 480184854. Its totient is φ = 160061616.

The previous prime is 320123231. The next prime is 320123317. The reversal of 320123234 is 432321023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 308880625 + 11242609 = 17575^2 + 3353^2 .

It is not an unprimeable number, because it can be changed into a prime (320123231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80030807 + ... + 80030810.

Almost surely, 2^320123234 is an apocalyptic number.

320123234 is a deficient number, since it is larger than the sum of its proper divisors (160061620).

320123234 is a wasteful number, since it uses less digits than its factorization.

320123234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160061619.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320123234 is about 17891.9879834523. The cubic root of 320123234 is about 684.0781703919.

Adding to 320123234 its reverse (432321023), we get a palindrome (752444257).

The spelling of 320123234 in words is "three hundred twenty million, one hundred twenty-three thousand, two hundred thirty-four".