423344783 has 2 divisors, whose sum is σ = 423344784. Its totient is φ = 423344782.

The previous prime is 423344777. The next prime is 423344791. The reversal of 423344783 is 387443324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423344783 - 2⁴ = 423344767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423344083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211672391 + 211672392.

It is an arithmetic number, because the mean of its divisors is an integer number (211672392).

Almost surely, 2^423344783 is an apocalyptic number.

423344783 is a deficient number, since it is larger than the sum of its proper divisors (1).

423344783 is an equidigital number, since it uses as much as digits as its factorization.

423344783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 38.

The square root of 423344783 is about 20575.3440554466. The cubic root of 423344783 is about 750.8699729910.

The spelling of 423344783 in words is "four hundred twenty-three million, three hundred forty-four thousand, seven hundred eighty-three".