213013323 has 24 divisors (see below), whose sum is σ = 320037120. Its totient is φ = 136362240.

The previous prime is 213013303. The next prime is 213013337. The reversal of 213013323 is 323310312.

213013323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213013323 - 2¹⁰ = 213012299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213013296 and 213013305.

It is not an unprimeable number, because it can be changed into a prime (213013303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47715 + ... + 51987.

It is an arithmetic number, because the mean of its divisors is an integer number (13334880).

Almost surely, 2^213013323 is an apocalyptic number.

213013323 is a deficient number, since it is larger than the sum of its proper divisors (107023797).

213013323 is a wasteful number, since it uses less digits than its factorization.

213013323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499 (or 4496 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 213013323 is about 14594.9759506482. The cubic root of 213013323 is about 597.2217133960.

Adding to 213013323 its reverse (323310312), we get a palindrome (536323635).

The spelling of 213013323 in words is "two hundred thirteen million, thirteen thousand, three hundred twenty-three".