326473843 has 2 divisors, whose sum is σ = 326473844. Its totient is φ = 326473842.

The previous prime is 326473813. The next prime is 326473867. The reversal of 326473843 is 348374623.

It is a strong prime.

It is an emirp because it is prime and its reverse (348374623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326473843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326473796 and 326473805.

It is not a weakly prime, because it can be changed into another prime (326473813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163236921 + 163236922.

It is an arithmetic number, because the mean of its divisors is an integer number (163236922).

Almost surely, 2^326473843 is an apocalyptic number.

326473843 is a deficient number, since it is larger than the sum of its proper divisors (1).

326473843 is an equidigital number, since it uses as much as digits as its factorization.

326473843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 40.

The square root of 326473843 is about 18068.5871888203. The cubic root of 326473843 is about 688.5721667618.

The spelling of 326473843 in words is "three hundred twenty-six million, four hundred seventy-three thousand, eight hundred forty-three".