321383123 has 2 divisors, whose sum is σ = 321383124. Its totient is φ = 321383122.

The previous prime is 321383099. The next prime is 321383129.

321383123 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 321383123 - 2⁶ = 321383059 is a prime.

It is a super-2 number, since 2×321383123² = 206574223498466258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321383092 and 321383101.

It is not a weakly prime, because it can be changed into another prime (321383129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160691561 + 160691562.

It is an arithmetic number, because the mean of its divisors is an integer number (160691562).

Almost surely, 2^321383123 is an apocalyptic number.

321383123 is a deficient number, since it is larger than the sum of its proper divisors (1).

321383123 is an equidigital number, since it uses as much as digits as its factorization.

321383123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 321383123 is about 17927.1615990931. The cubic root of 321383123 is about 684.9744235393.

It can be divided in two parts, 32 and 1383123, that multiplied together give a triangular number (44259936 = T₉₄₀₈).

The spelling of 321383123 in words is "three hundred twenty-one million, three hundred eighty-three thousand, one hundred twenty-three".