211201323 has 4 divisors (see below), whose sum is σ = 281601768. Its totient is φ = 140800880.

The previous prime is 211201313. The next prime is 211201327. The reversal of 211201323 is 323102112.

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

It is a cyclic number.

It is not a de Polignac number, because 211201323 - 2⁴ = 211201307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211201327) 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, 35200218 + ... + 35200223.

It is an arithmetic number, because the mean of its divisors is an integer number (70400442).

Almost surely, 2^211201323 is an apocalyptic number.

211201323 is a deficient number, since it is larger than the sum of its proper divisors (70400445).

211201323 is an equidigital number, since it uses as much as digits as its factorization.

211201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70400444.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 211201323 is about 14532.7672175673. The cubic root of 211201323 is about 595.5234646699.

Adding to 211201323 its reverse (323102112), we get a palindrome (534303435).

The spelling of 211201323 in words is "two hundred eleven million, two hundred one thousand, three hundred twenty-three".