213123332203 has 4 divisors (see below), whose sum is σ = 213615534328. Its totient is φ = 212631130080.

The previous prime is 213123332197. The next prime is 213123332207. The reversal of 213123332203 is 302233321312.

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 213123332203 - 2¹⁷ = 213123201131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213123332207) 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, 246100413 + ... + 246101278.

It is an arithmetic number, because the mean of its divisors is an integer number (53403883582).

Almost surely, 2^213123332203 is an apocalyptic number.

213123332203 is a deficient number, since it is larger than the sum of its proper divisors (492202125).

213123332203 is an equidigital number, since it uses as much as digits as its factorization.

213123332203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492202124.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213123332203 its reverse (302233321312), we get a palindrome (515356653515).

The spelling of 213123332203 in words is "two hundred thirteen billion, one hundred twenty-three million, three hundred thirty-two thousand, two hundred three".