4023073509 has 96 divisors (see below), whose sum is σ = 7124544000. Its totient is φ = 1995912576.

The previous prime is 4023073469. The next prime is 4023073513. The reversal of 4023073509 is 9053703204.

It is a happy number.

It is not a de Polignac number, because 4023073509 - 2¹¹ = 4023071461 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4023073509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023073519) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6499002 + ... + 6499620.

It is an arithmetic number, because the mean of its divisors is an integer number (74214000).

Almost surely, 2^4023073509 is an apocalyptic number.

4023073509 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4023073509 is a deficient number, since it is larger than the sum of its proper divisors (3101470491).

4023073509 is a wasteful number, since it uses less digits than its factorization.

4023073509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 4023073509 is about 63427.7030090165. The cubic root of 4023073509 is about 1590.4474445796.

The spelling of 4023073509 in words is "four billion, twenty-three million, seventy-three thousand, five hundred nine".