12230311 has 4 divisors (see below), whose sum is σ = 12258000. Its totient is φ = 12202624.

The previous prime is 12230233. The next prime is 12230353. The reversal of 12230311 is 11303221.

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 12230311 - 2⁹ = 12229799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12230291 and 12230300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230371) 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, 13171 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (3064500).

Almost surely, 2^12230311 is an apocalyptic number.

12230311 is a deficient number, since it is larger than the sum of its proper divisors (27689).

12230311 is an equidigital number, since it uses as much as digits as its factorization.

12230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27688.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12230311 is about 3497.1861546106. The cubic root of 12230311 is about 230.3982451380.

Adding to 12230311 its reverse (11303221), we get a palindrome (23533532).

The spelling of 12230311 in words is "twelve million, two hundred thirty thousand, three hundred eleven".