423345011 has 2 divisors, whose sum is σ = 423345012. Its totient is φ = 423345010.

The previous prime is 423345007. The next prime is 423345029. The reversal of 423345011 is 110543324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423345011 - 2² = 423345007 is a prime.

It is not a weakly prime, because it can be changed into another prime (423345311) 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, 211672505 + 211672506.

It is an arithmetic number, because the mean of its divisors is an integer number (211672506).

Almost surely, 2^423345011 is an apocalyptic number.

423345011 is a deficient number, since it is larger than the sum of its proper divisors (1).

423345011 is an equidigital number, since it uses as much as digits as its factorization.

423345011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 423345011 is about 20575.3495960579. The cubic root of 423345011 is about 750.8701077892.

Adding to 423345011 its reverse (110543324), we get a palindrome (533888335).

The spelling of 423345011 in words is "four hundred twenty-three million, three hundred forty-five thousand, eleven".