213011201323 has 4 divisors (see below), whose sum is σ = 213258028608. Its totient is φ = 212764374040.

The previous prime is 213011201311. The next prime is 213011201329. The reversal of 213011201323 is 323102110312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213011201323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213011201323.

It is not an unprimeable number, because it can be changed into a prime (213011201329) 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, 123412348 + ... + 123414073.

It is an arithmetic number, because the mean of its divisors is an integer number (53314507152).

Almost surely, 2^213011201323 is an apocalyptic number.

213011201323 is a deficient number, since it is larger than the sum of its proper divisors (246827285).

213011201323 is an equidigital number, since it uses as much as digits as its factorization.

213011201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246827284.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213011201323 its reverse (323102110312), we get a palindrome (536113311635).

The spelling of 213011201323 in words is "two hundred thirteen billion, eleven million, two hundred one thousand, three hundred twenty-three".