11421323134 has 8 divisors (see below), whose sum is σ = 18449829720. Its totient is φ = 5271379896.

The previous prime is 11421323101. The next prime is 11421323159. The reversal of 11421323134 is 43132312411.

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 = 11421323099 and 11421323108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219640804 + ... + 219640855.

It is an arithmetic number, because the mean of its divisors is an integer number (2306228715).

Almost surely, 2^11421323134 is an apocalyptic number.

11421323134 is a deficient number, since it is larger than the sum of its proper divisors (7028506586).

11421323134 is a wasteful number, since it uses less digits than its factorization.

11421323134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439281674.

The product of its digits is 1728, while the sum is 25.

Adding to 11421323134 its reverse (43132312411), we get a palindrome (54553635545).

The spelling of 11421323134 in words is "eleven billion, four hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty-four".