326432243 has 2 divisors, whose sum is σ = 326432244. Its totient is φ = 326432242.

The previous prime is 326432231. The next prime is 326432279. The reversal of 326432243 is 342234623.

It is a weak prime.

It is an emirp because it is prime and its reverse (342234623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326432243 is a prime.

It is a super-2 number, since 2×326432243² = 213116018540022098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (326432203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163216121 + 163216122.

It is an arithmetic number, because the mean of its divisors is an integer number (163216122).

Almost surely, 2^326432243 is an apocalyptic number.

326432243 is a deficient number, since it is larger than the sum of its proper divisors (1).

326432243 is an equidigital number, since it uses as much as digits as its factorization.

326432243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 29.

The square root of 326432243 is about 18067.4359830054. The cubic root of 326432243 is about 688.5429190702.

Adding to 326432243 its reverse (342234623), we get a palindrome (668666866).

The spelling of 326432243 in words is "three hundred twenty-six million, four hundred thirty-two thousand, two hundred forty-three".