73018047823 has 18 divisors (see below), whose sum is σ = 84311790696. Its totient is φ = 61946524224.

The previous prime is 73018047821. The next prime is 73018047847. The reversal of 73018047823 is 32874081037.

It is not a de Polignac number, because 73018047823 - 2¹ = 73018047821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73018047823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73018047821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 77927011 + ... + 77927947.

It is an arithmetic number, because the mean of its divisors is an integer number (4683988372).

Almost surely, 2^73018047823 is an apocalyptic number.

73018047823 is a deficient number, since it is larger than the sum of its proper divisors (11293742873).

73018047823 is an frugal number, since it uses more digits than its factorization.

73018047823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 73018047823 in words is "seventy-three billion, eighteen million, forty-seven thousand, eight hundred twenty-three".