11423203 has 16 divisors (see below), whose sum is σ = 13130496. Its totient is φ = 9836640.

The previous prime is 11423189. The next prime is 11423227. The reversal of 11423203 is 30232411.

It is a happy number.

It is not a de Polignac number, because 11423203 - 2¹³ = 11415011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11423233) 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, 41101 + ... + 41377.

It is an arithmetic number, because the mean of its divisors is an integer number (820656).

Almost surely, 2^11423203 is an apocalyptic number.

11423203 is a deficient number, since it is larger than the sum of its proper divisors (1707293).

11423203 is a wasteful number, since it uses less digits than its factorization.

11423203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

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

The square root of 11423203 is about 3379.8229243557. The cubic root of 11423203 is about 225.2143011739.

Adding to 11423203 its reverse (30232411), we get a palindrome (41655614).

The spelling of 11423203 in words is "eleven million, four hundred twenty-three thousand, two hundred three".