4323239 has 2 divisors, whose sum is σ = 4323240. Its totient is φ = 4323238.

The previous prime is 4323217. The next prime is 4323247. The reversal of 4323239 is 9323234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4323239 is a prime.

It is a super-2 number, since 2×4323239² = 37380790902242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4323289) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161619 + 2161620.

It is an arithmetic number, because the mean of its divisors is an integer number (2161620).

Almost surely, 2^4323239 is an apocalyptic number.

4323239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323239 is an equidigital number, since it uses as much as digits as its factorization.

4323239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

The square root of 4323239 is about 2079.2400053866. The cubic root of 4323239 is about 162.9057505246.

The spelling of 4323239 in words is "four million, three hundred twenty-three thousand, two hundred thirty-nine".