11523141 has 20 divisors (see below), whose sum is σ = 19673632. Its totient is φ = 6584328.

The previous prime is 11523137. The next prime is 11523143. The reversal of 11523141 is 14132511.

11523141 is a `hidden beast` number, since 1 + 1 + 523 + 141 = 666.

It is not a de Polignac number, because 11523141 - 2² = 11523137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9595 + ... + 10728.

Almost surely, 2^11523141 is an apocalyptic number.

It is an amenable number.

11523141 is a deficient number, since it is larger than the sum of its proper divisors (8150491).

11523141 is an equidigital number, since it uses as much as digits as its factorization.

11523141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20342 (or 20333 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11523141 is about 3394.5752311593. The cubic root of 11523141 is about 225.8691714146.

Adding to 11523141 its reverse (14132511), we get a palindrome (25655652).

It can be divided in two parts, 11523 and 141, that added together give a square (11664 = 108²).

The spelling of 11523141 in words is "eleven million, five hundred twenty-three thousand, one hundred forty-one".