11203423 has 16 divisors (see below), whose sum is σ = 14144256. Its totient is φ = 8619840.

The previous prime is 11203421. The next prime is 11203427. The reversal of 11203423 is 32430211.

It is a happy number.

11203423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11203423 - 2¹ = 11203421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203397 and 11203406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5515 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (884016).

Almost surely, 2^11203423 is an apocalyptic number.

11203423 is a deficient number, since it is larger than the sum of its proper divisors (2940833).

11203423 is a wasteful number, since it uses less digits than its factorization.

11203423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11203423 is about 3347.1514755087. The cubic root of 11203423 is about 223.7605793818.

Adding to 11203423 its reverse (32430211), we get a palindrome (43633634).

The spelling of 11203423 in words is "eleven million, two hundred three thousand, four hundred twenty-three".