99633850523 has 4 divisors (see below), whose sum is σ = 99643034928. Its totient is φ = 99624666120.

The previous prime is 99633850517. The next prime is 99633850531. The reversal of 99633850523 is 32505833699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32505833699 = 67 ⋅485161697.

It is a cyclic number.

It is not a de Polignac number, because 99633850523 - 2³⁴ = 82453981339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99633850553) 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, 4575911 + ... + 4597632.

It is an arithmetic number, because the mean of its divisors is an integer number (24910758732).

Almost surely, 2^99633850523 is an apocalyptic number.

99633850523 is a deficient number, since it is larger than the sum of its proper divisors (9184405).

99633850523 is a wasteful number, since it uses less digits than its factorization.

99633850523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184404.

The product of its (nonzero) digits is 5248800, while the sum is 53.

The spelling of 99633850523 in words is "ninety-nine billion, six hundred thirty-three million, eight hundred fifty thousand, five hundred twenty-three".