188231797203 has 16 divisors (see below), whose sum is σ = 269705266560. Its totient is φ = 116343444096.

The previous prime is 188231797189. The next prime is 188231797213. The reversal of 188231797203 is 302797132881.

It is not a de Polignac number, because 188231797203 - 2⁶ = 188231797139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (188231797213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27540013 + ... + 27546846.

It is an arithmetic number, because the mean of its divisors is an integer number (16856579160).

Almost surely, 2^188231797203 is an apocalyptic number.

188231797203 is a deficient number, since it is larger than the sum of its proper divisors (81473469357).

188231797203 is a wasteful number, since it uses less digits than its factorization.

188231797203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55086946.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 188231797203 in words is "one hundred eighty-eight billion, two hundred thirty-one million, seven hundred ninety-seven thousand, two hundred three".