11431233 has 24 divisors (see below), whose sum is σ = 18620000. Its totient is φ = 6926040.

The previous prime is 11431223. The next prime is 11431241. The reversal of 11431233 is 33213411.

11431233 is a `hidden beast` number, since 1 + 1 + 431 + 233 = 666.

11431233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11431233 - 2¹² = 11427137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11431223) 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, 1518 + ... + 5016.

Almost surely, 2^11431233 is an apocalyptic number.

It is an amenable number.

11431233 is a deficient number, since it is larger than the sum of its proper divisors (7188767).

11431233 is a wasteful number, since it uses less digits than its factorization.

11431233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530 (or 3513 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 11431233 is about 3381.0106477206. The cubic root of 11431233 is about 225.2670606684.

Adding to 11431233 its reverse (33213411), we get a palindrome (44644644).

It can be divided in two parts, 11431 and 233, that added together give a square (11664 = 108²).

The spelling of 11431233 in words is "eleven million, four hundred thirty-one thousand, two hundred thirty-three".