11523042 has 24 divisors (see below), whose sum is σ = 26435916. Its totient is φ = 3614976.

The previous prime is 11523013. The next prime is 11523047. The reversal of 11523042 is 24032511.

It can be written as a sum of positive squares in 2 ways, for example, as 10439361 + 1083681 = 3231^2 + 1041^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11523047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18523 + ... + 19134.

Almost surely, 2^11523042 is an apocalyptic number.

11523042 is an abundant number, since it is smaller than the sum of its proper divisors (14912874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11523042 is a wasteful number, since it uses less digits than its factorization.

11523042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37682 (or 37679 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11523042 is about 3394.5606490384. The cubic root of 11523042 is about 225.8685245680.

Adding to 11523042 its reverse (24032511), we get a palindrome (35555553).

It can be divided in two parts, 1152 and 3042, that multiplied together give a square (3504384 = 1872²).

The spelling of 11523042 in words is "eleven million, five hundred twenty-three thousand, forty-two".