4238723473817 has 16 divisors (see below), whose sum is σ = 4852243400832. Its totient is φ = 3627204416640.

The previous prime is 4238723473813. The next prime is 4238723473889. The reversal of 4238723473817 is 7183743278324.

It is not a de Polignac number, because 4238723473817 - 2² = 4238723473813 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4238723473813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13114517 + ... + 13433837.

It is an arithmetic number, because the mean of its divisors is an integer number (303265212552).

Almost surely, 2^{4238723473817} is an apocalyptic number.

It is an amenable number.

4238723473817 is a deficient number, since it is larger than the sum of its proper divisors (613519927015).

4238723473817 is a wasteful number, since it uses less digits than its factorization.

4238723473817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322448.

The product of its digits is 37933056, while the sum is 59.

The spelling of 4238723473817 in words is "four trillion, two hundred thirty-eight billion, seven hundred twenty-three million, four hundred seventy-three thousand, eight hundred seventeen".