11423541 has 16 divisors (see below), whose sum is σ = 16977600. Its totient is φ = 6789888.

The previous prime is 11423537. The next prime is 11423557. The reversal of 11423541 is 14532411.

It is not a de Polignac number, because 11423541 - 2² = 11423537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423501) 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, 4926 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (1061100).

Almost surely, 2^11423541 is an apocalyptic number.

It is an amenable number.

11423541 is a deficient number, since it is larger than the sum of its proper divisors (5554059).

11423541 is a wasteful number, since it uses less digits than its factorization.

11423541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828.

The product of its digits is 480, while the sum is 21.

The square root of 11423541 is about 3379.8729266054. The cubic root of 11423541 is about 225.2165224331.

Adding to 11423541 its reverse (14532411), we get a palindrome (25955952).

The spelling of 11423541 in words is "eleven million, four hundred twenty-three thousand, five hundred forty-one".