201140400323423 has 24 divisors (see below), whose sum is σ = 240069681331920. Its totient is φ = 166547165894400.

The previous prime is 201140400323377. The next prime is 201140400323449. The reversal of 201140400323423 is 324323004041102.

It is not a de Polignac number, because 201140400323423 - 2²² = 201140396129119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201140400323483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559454588 + ... + 559814001.

It is an arithmetic number, because the mean of its divisors is an integer number (10002903388830).

Almost surely, 2^{201140400323423} is an apocalyptic number.

201140400323423 is a deficient number, since it is larger than the sum of its proper divisors (38929281008497).

201140400323423 is a wasteful number, since it uses less digits than its factorization.

201140400323423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119268679 (or 1119268648 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 201140400323423 its reverse (324323004041102), we get a palindrome (525463404364525).

The spelling of 201140400323423 in words is "two hundred one trillion, one hundred forty billion, four hundred million, three hundred twenty-three thousand, four hundred twenty-three".