321434223 has 16 divisors (see below), whose sum is σ = 487869696. Its totient is φ = 186338240.

The previous prime is 321434209. The next prime is 321434227. The reversal of 321434223 is 322434123.

It is not a de Polignac number, because 321434223 - 2¹⁰ = 321433199 is a prime.

It is a super-2 number, since 2×321434223² = 206639919431227458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321434193 and 321434202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321434227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210990 + ... + 212507.

It is an arithmetic number, because the mean of its divisors is an integer number (30491856).

Almost surely, 2^321434223 is an apocalyptic number.

321434223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

321434223 is a deficient number, since it is larger than the sum of its proper divisors (166435473).

321434223 is a wasteful number, since it uses less digits than its factorization.

321434223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423534.

The product of its digits is 3456, while the sum is 24.

The square root of 321434223 is about 17928.5867541198. The cubic root of 321434223 is about 685.0107253191.

Adding to 321434223 its reverse (322434123), we get a palindrome (643868346).

The spelling of 321434223 in words is "three hundred twenty-one million, four hundred thirty-four thousand, two hundred twenty-three".