213203111223 has 8 divisors (see below), whose sum is σ = 290319130368. Its totient is φ = 139111249784.

The previous prime is 213203111221. The next prime is 213203111273. The reversal of 213203111223 is 322111302312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213203111223 - 2¹ = 213203111221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213203111223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213203111221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756039261 + ... + 756039542.

It is an arithmetic number, because the mean of its divisors is an integer number (36289891296).

Almost surely, 2^213203111223 is an apocalyptic number.

213203111223 is a deficient number, since it is larger than the sum of its proper divisors (77116019145).

213203111223 is a wasteful number, since it uses less digits than its factorization.

213203111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512078853.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213203111223 its reverse (322111302312), we get a palindrome (535314413535).

The spelling of 213203111223 in words is "two hundred thirteen billion, two hundred three million, one hundred eleven thousand, two hundred twenty-three".