423212303 has 2 divisors, whose sum is σ = 423212304. Its totient is φ = 423212302.

The previous prime is 423212249. The next prime is 423212329. The reversal of 423212303 is 303212324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423212303 - 2⁶ = 423212239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423212353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211606151 + 211606152.

It is an arithmetic number, because the mean of its divisors is an integer number (211606152).

Almost surely, 2^423212303 is an apocalyptic number.

423212303 is a deficient number, since it is larger than the sum of its proper divisors (1).

423212303 is an equidigital number, since it uses as much as digits as its factorization.

423212303 is an evil number, because the sum of its binary digits is even.

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

The square root of 423212303 is about 20572.1244163066. The cubic root of 423212303 is about 750.7916399661.

Adding to 423212303 its reverse (303212324), we get a palindrome (726424627).

The spelling of 423212303 in words is "four hundred twenty-three million, two hundred twelve thousand, three hundred three".