3440257823 has 2 divisors, whose sum is σ = 3440257824. Its totient is φ = 3440257822.

The previous prime is 3440257801. The next prime is 3440257831. The reversal of 3440257823 is 3287520443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3440257823 - 2⁸ = 3440257567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3440257883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720128911 + 1720128912.

It is an arithmetic number, because the mean of its divisors is an integer number (1720128912).

Almost surely, 2^3440257823 is an apocalyptic number.

3440257823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440257823 is an equidigital number, since it uses as much as digits as its factorization.

3440257823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 3440257823 is about 58653.7110761118. The cubic root of 3440257823 is about 1509.6061752361.

The spelling of 3440257823 in words is "three billion, four hundred forty million, two hundred fifty-seven thousand, eight hundred twenty-three".