3440139323 has 2 divisors, whose sum is σ = 3440139324. Its totient is φ = 3440139322.

The previous prime is 3440139281. The next prime is 3440139337. The reversal of 3440139323 is 3239310443.

3440139323 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 not a de Polignac number, because 3440139323 - 2⁸ = 3440139067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3440139323.

It is not a weakly prime, because it can be changed into another prime (3440139523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720069661 + 1720069662.

It is an arithmetic number, because the mean of its divisors is an integer number (1720069662).

Almost surely, 2^3440139323 is an apocalyptic number.

3440139323 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440139323 is an equidigital number, since it uses as much as digits as its factorization.

3440139323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 3440139323 is about 58652.7009011520. The cubic root of 3440139323 is about 1509.5888421955.

Adding to 3440139323 its reverse (3239310443), we get a palindrome (6679449766).

The spelling of 3440139323 in words is "three billion, four hundred forty million, one hundred thirty-nine thousand, three hundred twenty-three".