210123314323 has 4 divisors (see below), whose sum is σ = 226286646208. Its totient is φ = 193959982440.

The previous prime is 210123314251. The next prime is 210123314327. The reversal of 210123314323 is 323413321012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210123314323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210123314327) 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, 8081665923 + ... + 8081665948.

It is an arithmetic number, because the mean of its divisors is an integer number (56571661552).

Almost surely, 2^210123314323 is an apocalyptic number.

210123314323 is a deficient number, since it is larger than the sum of its proper divisors (16163331885).

210123314323 is a wasteful number, since it uses less digits than its factorization.

210123314323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16163331884.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 210123314323 its reverse (323413321012), we get a palindrome (533536635335).

The spelling of 210123314323 in words is "two hundred ten billion, one hundred twenty-three million, three hundred fourteen thousand, three hundred twenty-three".