403212233 has 2 divisors, whose sum is σ = 403212234. Its totient is φ = 403212232.

The previous prime is 403212217. The next prime is 403212263. The reversal of 403212233 is 332212304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371255824 + 31956409 = 19268^2 + 5653^2 .

It is a cyclic number.

It is not a de Polignac number, because 403212233 - 2⁴ = 403212217 is a prime.

It is not a weakly prime, because it can be changed into another prime (403212203) 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, 201606116 + 201606117.

It is an arithmetic number, because the mean of its divisors is an integer number (201606117).

Almost surely, 2^403212233 is an apocalyptic number.

It is an amenable number.

403212233 is a deficient number, since it is larger than the sum of its proper divisors (1).

403212233 is an equidigital number, since it uses as much as digits as its factorization.

403212233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 403212233 is about 20080.1452434986. The cubic root of 403212233 is about 738.7733714356.

Adding to 403212233 its reverse (332212304), we get a palindrome (735424537).

The spelling of 403212233 in words is "four hundred three million, two hundred twelve thousand, two hundred thirty-three".