213823355 has 8 divisors (see below), whose sum is σ = 259679952. Its totient is φ = 168997408.

The previous prime is 213823339. The next prime is 213823367. The reversal of 213823355 is 553328312.

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 213823355 - 2⁴ = 213823339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257204 + ... + 258033.

It is an arithmetic number, because the mean of its divisors is an integer number (32459994).

Almost surely, 2^213823355 is an apocalyptic number.

213823355 is a deficient number, since it is larger than the sum of its proper divisors (45856597).

213823355 is an equidigital number, since it uses as much as digits as its factorization.

213823355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515325.

The product of its digits is 21600, while the sum is 32.

The square root of 213823355 is about 14622.6999900839. The cubic root of 213823355 is about 597.9777799971.

The spelling of 213823355 in words is "two hundred thirteen million, eight hundred twenty-three thousand, three hundred fifty-five".