834123321 has 6 divisors (see below), whose sum is σ = 1204844810. Its totient is φ = 556082208.

The previous prime is 834123289. The next prime is 834123337. The reversal of 834123321 is 123321438.

It can be written as a sum of positive squares in only one way, i.e., 804573225 + 29550096 = 28365^2 + 5436^2 .

It is not a de Polignac number, because 834123321 - 2⁵ = 834123289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834123361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46340176 + ... + 46340193.

Almost surely, 2^834123321 is an apocalyptic number.

It is an amenable number.

834123321 is a deficient number, since it is larger than the sum of its proper divisors (370721489).

834123321 is a wasteful number, since it uses less digits than its factorization.

834123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92680375 (or 92680372 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 834123321 is about 28881.1932059602. The cubic root of 834123321 is about 941.3332977080. Note that the first 3 decimals are identical.

Adding to 834123321 its reverse (123321438), we get a palindrome (957444759).

The spelling of 834123321 in words is "eight hundred thirty-four million, one hundred twenty-three thousand, three hundred twenty-one".