3240423239 has 2 divisors, whose sum is σ = 3240423240. Its totient is φ = 3240423238.

The previous prime is 3240423209. The next prime is 3240423247. The reversal of 3240423239 is 9323240423.

3240423239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3240423239 is a prime.

It is a super-2 number, since 2×3240423239² = 21000685535702502242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240423209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620211619 + 1620211620.

It is an arithmetic number, because the mean of its divisors is an integer number (1620211620).

Almost surely, 2^3240423239 is an apocalyptic number.

3240423239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240423239 is an equidigital number, since it uses as much as digits as its factorization.

3240423239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 3240423239 is about 56924.7155372778. The cubic root of 3240423239 is about 1479.7916737147.

The spelling of 3240423239 in words is "three billion, two hundred forty million, four hundred twenty-three thousand, two hundred thirty-nine".