23634563634203 has 4 divisors (see below), whose sum is σ = 23634684226440. Its totient is φ = 23634443041968.

The previous prime is 23634563634163. The next prime is 23634563634217. The reversal of 23634563634203 is 30243636543632.

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 23634563634203 - 2⁴⁰ = 22535052006427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23634563633203) 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, 60001658 + ... + 60394271.

It is an arithmetic number, because the mean of its divisors is an integer number (5908671056610).

Almost surely, 2^{23634563634203} is an apocalyptic number.

23634563634203 is a deficient number, since it is larger than the sum of its proper divisors (120592237).

23634563634203 is a wasteful number, since it uses less digits than its factorization.

23634563634203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120592236.

The product of its (nonzero) digits is 16796160, while the sum is 50.

The spelling of 23634563634203 in words is "twenty-three trillion, six hundred thirty-four billion, five hundred sixty-three million, six hundred thirty-four thousand, two hundred three".