321134123 has 2 divisors, whose sum is σ = 321134124. Its totient is φ = 321134122.

The previous prime is 321134111. The next prime is 321134141. The reversal of 321134123 is 321431123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321134123 - 2⁶ = 321134059 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 321134095 and 321134104.

It is not a weakly prime, because it can be changed into another prime (321134173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160567061 + 160567062.

It is an arithmetic number, because the mean of its divisors is an integer number (160567062).

Almost surely, 2^321134123 is an apocalyptic number.

321134123 is a deficient number, since it is larger than the sum of its proper divisors (1).

321134123 is an equidigital number, since it uses as much as digits as its factorization.

321134123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 321134123 is about 17920.2154841955. The cubic root of 321134123 is about 684.7974772028.

Adding to 321134123 its reverse (321431123), we get a palindrome (642565246).

The spelling of 321134123 in words is "three hundred twenty-one million, one hundred thirty-four thousand, one hundred twenty-three".