11212423 has 4 divisors (see below), whose sum is σ = 11317320. Its totient is φ = 11107528.

The previous prime is 11212363. The next prime is 11212427. The reversal of 11212423 is 32421211.

11212423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11212423 - 2¹³ = 11204231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212397 and 11212406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212427) 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, 52288 + ... + 52501.

It is an arithmetic number, because the mean of its divisors is an integer number (2829330).

Almost surely, 2^11212423 is an apocalyptic number.

11212423 is a deficient number, since it is larger than the sum of its proper divisors (104897).

11212423 is a wasteful number, since it uses less digits than its factorization.

11212423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104896.

The product of its digits is 96, while the sum is 16.

The square root of 11212423 is about 3348.4956323699. The cubic root of 11212423 is about 223.8204809017.

Adding to 11212423 its reverse (32421211), we get a palindrome (43633634).

The spelling of 11212423 in words is "eleven million, two hundred twelve thousand, four hundred twenty-three".