11543434 has 8 divisors (see below), whose sum is σ = 19788768. Its totient is φ = 4947180.

The previous prime is 11543429. The next prime is 11543437. The reversal of 11543434 is 43434511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11543399 and 11543408.

It is not an unprimeable number, because it can be changed into a prime (11543437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412252 + ... + 412279.

It is an arithmetic number, because the mean of its divisors is an integer number (2473596).

Almost surely, 2^11543434 is an apocalyptic number.

11543434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11543434 is a deficient number, since it is larger than the sum of its proper divisors (8245334).

11543434 is an equidigital number, since it uses as much as digits as its factorization.

11543434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824540.

The product of its digits is 2880, while the sum is 25.

The square root of 11543434 is about 3397.5629501159. The cubic root of 11543434 is about 226.0016837528.

Adding to 11543434 its reverse (43434511), we get a palindrome (54977945).

The spelling of 11543434 in words is "eleven million, five hundred forty-three thousand, four hundred thirty-four".