4309423 has 2 divisors, whose sum is σ = 4309424. Its totient is φ = 4309422.

The previous prime is 4309411. The next prime is 4309433. The reversal of 4309423 is 3249034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4309423 - 2⁵ = 4309391 is a prime.

It is a super-2 number, since 2×4309423² = 37142253185858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4309433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154711 + 2154712.

It is an arithmetic number, because the mean of its divisors is an integer number (2154712).

Almost surely, 2^4309423 is an apocalyptic number.

4309423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4309423 is an equidigital number, since it uses as much as digits as its factorization.

4309423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 4309423 is about 2075.9149789912. The cubic root of 4309423 is about 162.7320298736.

The spelling of 4309423 in words is "four million, three hundred nine thousand, four hundred twenty-three".