403322243 has 2 divisors, whose sum is σ = 403322244. Its totient is φ = 403322242.

The previous prime is 403322233. The next prime is 403322267. The reversal of 403322243 is 342223304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403322243 is a prime.

It is equal to p_21503930 and since 403322243 and 21503930 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (403322203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201661121 + 201661122.

It is an arithmetic number, because the mean of its divisors is an integer number (201661122).

Almost surely, 2^403322243 is an apocalyptic number.

403322243 is a deficient number, since it is larger than the sum of its proper divisors (1).

403322243 is an equidigital number, since it uses as much as digits as its factorization.

403322243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 403322243 is about 20082.8843296973. The cubic root of 403322243 is about 738.8405528203.

Adding to 403322243 its reverse (342223304), we get a palindrome (745545547).

The spelling of 403322243 in words is "four hundred three million, three hundred twenty-two thousand, two hundred forty-three".