210342101323 has 4 divisors (see below), whose sum is σ = 210343019328. Its totient is φ = 210341183320.

The previous prime is 210342101237. The next prime is 210342101351. The reversal of 210342101323 is 323101243012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210342101323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210342101294 and 210342101303.

It is not an unprimeable number, because it can be changed into a prime (210342101623) 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, 201813 + ... + 679273.

It is an arithmetic number, because the mean of its divisors is an integer number (52585754832).

Almost surely, 2^210342101323 is an apocalyptic number.

210342101323 is a deficient number, since it is larger than the sum of its proper divisors (918005).

210342101323 is an equidigital number, since it uses as much as digits as its factorization.

210342101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918004.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 210342101323 its reverse (323101243012), we get a palindrome (533443344335).

The spelling of 210342101323 in words is "two hundred ten billion, three hundred forty-two million, one hundred one thousand, three hundred twenty-three".