83723211 has 24 divisors (see below), whose sum is σ = 142077936. Its totient is φ = 46837440.

The previous prime is 83723209. The next prime is 83723221. The reversal of 83723211 is 11232738.

It is not a de Polignac number, because 83723211 - 2¹ = 83723209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83723201) 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, 31240 + ... + 33813.

It is an arithmetic number, because the mean of its divisors is an integer number (5919914).

Almost surely, 2^83723211 is an apocalyptic number.

83723211 is a deficient number, since it is larger than the sum of its proper divisors (58354725).

83723211 is a wasteful number, since it uses less digits than its factorization.

83723211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65083 (or 65080 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 83723211 is about 9150.0388523765. The cubic root of 83723211 is about 437.4703518412.

Adding to 83723211 its reverse (11232738), we get a palindrome (94955949).

The spelling of 83723211 in words is "eighty-three million, seven hundred twenty-three thousand, two hundred eleven".