321400064703043 has 2 divisors, whose sum is σ = 321400064703044. Its totient is φ = 321400064703042.

The previous prime is 321400064703037. The next prime is 321400064703089. The reversal of 321400064703043 is 340307460004123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321400064703043 - 2¹³ = 321400064694851 is a prime.

It is a super-2 number, since 2×321400064703043² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321400064702993 and 321400064703011.

It is not a weakly prime, because it can be changed into another prime (321400064703013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160700032351521 + 160700032351522.

It is an arithmetic number, because the mean of its divisors is an integer number (160700032351522).

Almost surely, 2^{321400064703043} is an apocalyptic number.

321400064703043 is a deficient number, since it is larger than the sum of its proper divisors (1).

321400064703043 is an equidigital number, since it uses as much as digits as its factorization.

321400064703043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 321400064703043 in words is "three hundred twenty-one trillion, four hundred billion, sixty-four million, seven hundred three thousand, forty-three".