211020323 has 8 divisors (see below), whose sum is σ = 213978336. Its totient is φ = 208080000.

The previous prime is 211020311. The next prime is 211020343. The reversal of 211020323 is 323020112.

It is a happy number.

211020323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211020323 - 2⁶ = 211020259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211020298 and 211020307.

It is not an unprimeable number, because it can be changed into a prime (211020343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20573 + ... + 29073.

It is an arithmetic number, because the mean of its divisors is an integer number (26747292).

Almost surely, 2^211020323 is an apocalyptic number.

211020323 is a deficient number, since it is larger than the sum of its proper divisors (2958013).

211020323 is a wasteful number, since it uses less digits than its factorization.

211020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 211020323 is about 14526.5385759994. The cubic root of 211020323 is about 595.3532944073.

Adding to 211020323 its reverse (323020112), we get a palindrome (534040435).

The spelling of 211020323 in words is "two hundred eleven million, twenty thousand, three hundred twenty-three".