321121323 has 6 divisors (see below), whose sum is σ = 463841924. Its totient is φ = 214080876.

The previous prime is 321121309. The next prime is 321121351. The reversal of 321121323 is 323121123.

321121323 is a `hidden beast` number, since 321 + 1 + 21 + 323 = 666.

It is not a de Polignac number, because 321121323 - 2⁶ = 321121259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321121296 and 321121305.

It is not an unprimeable number, because it can be changed into a prime (321129323) 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, 17840065 + ... + 17840082.

Almost surely, 2^321121323 is an apocalyptic number.

321121323 is a deficient number, since it is larger than the sum of its proper divisors (142720601).

321121323 is a wasteful number, since it uses less digits than its factorization.

321121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35680153 (or 35680150 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 321121323 is about 17919.8583420740. The cubic root of 321121323 is about 684.7883786948.

Adding to 321121323 its reverse (323121123), we get a palindrome (644242446).

The spelling of 321121323 in words is "three hundred twenty-one million, one hundred twenty-one thousand, three hundred twenty-three".