213332121223 has 16 divisors (see below), whose sum is σ = 230315913856. Its totient is φ = 196430572800.

The previous prime is 213332121209. The next prime is 213332121257. The reversal of 213332121223 is 322121233312.

It is a cyclic number.

It is not a de Polignac number, because 213332121223 - 2²¹ = 213330024071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213332821223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34311211 + ... + 34317427.

It is an arithmetic number, because the mean of its divisors is an integer number (14394744616).

Almost surely, 2^213332121223 is an apocalyptic number.

213332121223 is a deficient number, since it is larger than the sum of its proper divisors (16983792633).

213332121223 is a wasteful number, since it uses less digits than its factorization.

213332121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12394.

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

Adding to 213332121223 its reverse (322121233312), we get a palindrome (535453354535).

The spelling of 213332121223 in words is "two hundred thirteen billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-three".