213043323003 has 16 divisors (see below), whose sum is σ = 326972970240. Its totient is φ = 120863219616.

The previous prime is 213043323001. The next prime is 213043323019. The reversal of 213043323003 is 300323340312.

It is a happy number.

It is not a de Polignac number, because 213043323003 - 2¹ = 213043323001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213043323001) 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, 36489600 + ... + 36495437.

It is an arithmetic number, because the mean of its divisors is an integer number (20435810640).

Almost surely, 2^213043323003 is an apocalyptic number.

213043323003 is a deficient number, since it is larger than the sum of its proper divisors (113929647237).

213043323003 is a wasteful number, since it uses less digits than its factorization.

213043323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72985186.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 213043323003 its reverse (300323340312), we get a palindrome (513366663315).

The spelling of 213043323003 in words is "two hundred thirteen billion, forty-three million, three hundred twenty-three thousand, three".