210243134223 has 64 divisors (see below), whose sum is σ = 331979328000. Its totient is φ = 131122582272.

The previous prime is 210243134201. The next prime is 210243134249. The reversal of 210243134223 is 322431342012.

210243134223 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 431 + 3 + 4 + 223 = 666.

It is not a de Polignac number, because 210243134223 - 2⁸ = 210243133967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210243134273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41408361 + ... + 41413437.

It is an arithmetic number, because the mean of its divisors is an integer number (5187177000).

Almost surely, 2^210243134223 is an apocalyptic number.

210243134223 is a deficient number, since it is larger than the sum of its proper divisors (121736193777).

210243134223 is a wasteful number, since it uses less digits than its factorization.

210243134223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101 (or 6095 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 210243134223 its reverse (322431342012), we get a palindrome (532674476235).

The spelling of 210243134223 in words is "two hundred ten billion, two hundred forty-three million, one hundred thirty-four thousand, two hundred twenty-three".