213302222123 has 4 divisors (see below), whose sum is σ = 213384932040. Its totient is φ = 213219512208.

The previous prime is 213302222039. The next prime is 213302222251. The reversal of 213302222123 is 321222203312.

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 213302222123 - 2¹² = 213302218027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213302222723) 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, 41351090 + ... + 41356247.

It is an arithmetic number, because the mean of its divisors is an integer number (53346233010).

Almost surely, 2^213302222123 is an apocalyptic number.

213302222123 is a deficient number, since it is larger than the sum of its proper divisors (82709917).

213302222123 is an equidigital number, since it uses as much as digits as its factorization.

213302222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82709916.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213302222123 its reverse (321222203312), we get a palindrome (534524425435).

The spelling of 213302222123 in words is "two hundred thirteen billion, three hundred two million, two hundred twenty-two thousand, one hundred twenty-three".