210231223330123 has 4 divisors (see below), whose sum is σ = 210245743078240. Its totient is φ = 210216703582008.

The previous prime is 210231223330091. The next prime is 210231223330199. The reversal of 210231223330123 is 321033322132012.

It is a happy number.

210231223330123 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.

It is a cyclic number.

It is not a de Polignac number, because 210231223330123 - 2⁵ = 210231223330091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210231223330091 and 210231223330100.

It is not an unprimeable number, because it can be changed into a prime (210231223370123) 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, 7259852340 + ... + 7259881297.

It is an arithmetic number, because the mean of its divisors is an integer number (52561435769560).

Almost surely, 2^{210231223330123} is an apocalyptic number.

210231223330123 is a deficient number, since it is larger than the sum of its proper divisors (14519748117).

210231223330123 is a wasteful number, since it uses less digits than its factorization.

210231223330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14519748116.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 210231223330123 its reverse (321033322132012), we get a palindrome (531264545462135).

The spelling of 210231223330123 in words is "two hundred ten trillion, two hundred thirty-one billion, two hundred twenty-three million, three hundred thirty thousand, one hundred twenty-three".