201310220423 has 4 divisors (see below), whose sum is σ = 216795622008. Its totient is φ = 185824818840.

The previous prime is 201310220411. The next prime is 201310220429. The reversal of 201310220423 is 324022013102.

201310220423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324022013102 = 2 ⋅162011006551.

It is a cyclic number.

It is not a de Polignac number, because 201310220423 - 2²⁴ = 201293443207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201310220395 and 201310220404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201310220429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7742700773 + ... + 7742700798.

It is an arithmetic number, because the mean of its divisors is an integer number (54198905502).

Almost surely, 2^201310220423 is an apocalyptic number.

201310220423 is a deficient number, since it is larger than the sum of its proper divisors (15485401585).

201310220423 is a wasteful number, since it uses less digits than its factorization.

201310220423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485401584.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201310220423 its reverse (324022013102), we get a palindrome (525332233525).

The spelling of 201310220423 in words is "two hundred one billion, three hundred ten million, two hundred twenty thousand, four hundred twenty-three".