423043 has 2 divisors, whose sum is σ = 423044. Its totient is φ = 423042.

The previous prime is 423019. The next prime is 423053. The reversal of 423043 is 340324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423043 - 2¹⁷ = 291971 is a prime.

It is not a weakly prime, because it can be changed into another prime (423013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211521 + 211522.

It is an arithmetic number, because the mean of its divisors is an integer number (211522).

2⁴²³⁰⁴³ is an apocalyptic number.

423043 is a deficient number, since it is larger than the sum of its proper divisors (1).

423043 is an equidigital number, since it uses as much as digits as its factorization.

423043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 423043 is about 650.4175581886. The cubic root of 423043 is about 75.0691510370.

Adding to 423043 its reverse (340324), we get a palindrome (763367).

The spelling of 423043 in words is "four hundred twenty-three thousand, forty-three", and thus it is an iban number.