993523243 has 8 divisors (see below), whose sum is σ = 1063540800. Its totient is φ = 925278408.

The previous prime is 993523229. The next prime is 993523273. The reversal of 993523243 is 342325399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 993523243 - 2⁹ = 993522731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 993523196 and 993523205.

It is not an unprimeable number, because it can be changed into a prime (993523273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442021 + ... + 444262.

It is an arithmetic number, because the mean of its divisors is an integer number (132942600).

Almost surely, 2^993523243 is an apocalyptic number.

993523243 is a deficient number, since it is larger than the sum of its proper divisors (70017557).

993523243 is a wasteful number, since it uses less digits than its factorization.

993523243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886361.

The product of its digits is 174960, while the sum is 40.

The square root of 993523243 is about 31520.2037271335. The cubic root of 993523243 is about 997.8364032250.

The spelling of 993523243 in words is "nine hundred ninety-three million, five hundred twenty-three thousand, two hundred forty-three".