423245051 has 2 divisors, whose sum is σ = 423245052. Its totient is φ = 423245050.

The previous prime is 423245041. The next prime is 423245059. The reversal of 423245051 is 150542324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423245051 - 2¹⁰ = 423244027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423245051.

It is not a weakly prime, because it can be changed into another prime (423245059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211622525 + 211622526.

It is an arithmetic number, because the mean of its divisors is an integer number (211622526).

Almost surely, 2^423245051 is an apocalyptic number.

423245051 is a deficient number, since it is larger than the sum of its proper divisors (1).

423245051 is an equidigital number, since it uses as much as digits as its factorization.

423245051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 423245051 is about 20572.9203323203. The cubic root of 423245051 is about 750.8110047863.

Adding to 423245051 its reverse (150542324), we get a palindrome (573787375).

The spelling of 423245051 in words is "four hundred twenty-three million, two hundred forty-five thousand, fifty-one".