423344951 has 2 divisors, whose sum is σ = 423344952. Its totient is φ = 423344950.

The previous prime is 423344939. The next prime is 423344953. The reversal of 423344951 is 159443324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423344951 is a prime.

Together with 423344953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423344953) 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, 211672475 + 211672476.

It is an arithmetic number, because the mean of its divisors is an integer number (211672476).

Almost surely, 2^423344951 is an apocalyptic number.

423344951 is a deficient number, since it is larger than the sum of its proper divisors (1).

423344951 is an equidigital number, since it uses as much as digits as its factorization.

423344951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 423344951 is about 20575.3481380024. The cubic root of 423344951 is about 750.8700723160.

The spelling of 423344951 in words is "four hundred twenty-three million, three hundred forty-four thousand, nine hundred fifty-one".