1006340423 has 6 divisors (see below), whose sum is σ = 1106142912. Its totient is φ = 914854820.

The previous prime is 1006340417. The next prime is 1006340443. The reversal of 1006340423 is 3240436001.

It is a happy number.

It is not a de Polignac number, because 1006340423 - 2¹² = 1006336327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006340443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4158311 + ... + 4158552.

It is an arithmetic number, because the mean of its divisors is an integer number (184357152).

Almost surely, 2^1006340423 is an apocalyptic number.

1006340423 is a deficient number, since it is larger than the sum of its proper divisors (99802489).

1006340423 is an equidigital number, since it uses as much as digits as its factorization.

1006340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316885 (or 8316874 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1006340423 is about 31722.8690852514. The cubic root of 1006340423 is about 1002.1090232274.

Adding to 1006340423 its reverse (3240436001), we get a palindrome (4246776424).

The spelling of 1006340423 in words is "one billion, six million, three hundred forty thousand, four hundred twenty-three".