321400327 has 2 divisors, whose sum is σ = 321400328. Its totient is φ = 321400326.

The previous prime is 321400307. The next prime is 321400337. The reversal of 321400327 is 723004123.

It is a strong prime.

It is an emirp because it is prime and its reverse (723004123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321400327 - 2¹¹ = 321398279 is a prime.

It is a super-4 number, since 4×321400327⁴ (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321400298 and 321400307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321400307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160700163 + 160700164.

It is an arithmetic number, because the mean of its divisors is an integer number (160700164).

Almost surely, 2^321400327 is an apocalyptic number.

321400327 is a deficient number, since it is larger than the sum of its proper divisors (1).

321400327 is an equidigital number, since it uses as much as digits as its factorization.

321400327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 321400327 is about 17927.6414232324. The cubic root of 321400327 is about 684.9866458050.

The spelling of 321400327 in words is "three hundred twenty-one million, four hundred thousand, three hundred twenty-seven".