321230223 has 6 divisors (see below), whose sum is σ = 463999224. Its totient is φ = 214153476.

The previous prime is 321230201. The next prime is 321230237. The reversal of 321230223 is 322032123.

It is a happy number.

It is not a de Polignac number, because 321230223 - 2⁶ = 321230159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321230196 and 321230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230243) 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, 17846115 + ... + 17846132.

It is an arithmetic number, because the mean of its divisors is an integer number (77333204).

Almost surely, 2^321230223 is an apocalyptic number.

321230223 is a deficient number, since it is larger than the sum of its proper divisors (142769001).

321230223 is a wasteful number, since it uses less digits than its factorization.

321230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35692253 (or 35692250 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 321230223 is about 17922.8966129920. The cubic root of 321230223 is about 684.8657793747.

Adding to 321230223 its reverse (322032123), we get a palindrome (643262346).

The spelling of 321230223 in words is "three hundred twenty-one million, two hundred thirty thousand, two hundred twenty-three".