73523667321047 has 4 divisors (see below), whose sum is σ = 73532390032920. Its totient is φ = 73514944609176.

The previous prime is 73523667320911. The next prime is 73523667321061. The reversal of 73523667321047 is 74012376632537.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73523667321047 - 2¹⁰ = 73523667320023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73523667320983 and 73523667321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73523667321347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4361343293 + ... + 4361360150.

It is an arithmetic number, because the mean of its divisors is an integer number (18383097508230).

Almost surely, 2^{73523667321047} is an apocalyptic number.

73523667321047 is a deficient number, since it is larger than the sum of its proper divisors (8722711873).

73523667321047 is an equidigital number, since it uses as much as digits as its factorization.

73523667321047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722711872.

The product of its (nonzero) digits is 26671680, while the sum is 56.

The spelling of 73523667321047 in words is "seventy-three trillion, five hundred twenty-three billion, six hundred sixty-seven million, three hundred twenty-one thousand, forty-seven".