11421242343 has 12 divisors (see below), whose sum is σ = 18854114448. Its totient is φ = 6526424160.

The previous prime is 11421242309. The next prime is 11421242353. The reversal of 11421242343 is 34324212411.

11421242343 is a `hidden beast` number, since 1 + 1 + 421 + 2 + 4 + 234 + 3 = 666.

11421242343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11421242343 - 2⁶ = 11421242279 is a prime.

It is a super-2 number, since 2×11421242343² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421242303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90644718 + ... + 90644843.

It is an arithmetic number, because the mean of its divisors is an integer number (1571176204).

Almost surely, 2^11421242343 is an apocalyptic number.

11421242343 is a deficient number, since it is larger than the sum of its proper divisors (7432872105).

11421242343 is a wasteful number, since it uses less digits than its factorization.

11421242343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181289574 (or 181289571 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 11421242343 its reverse (34324212411), we get a palindrome (45745454754).

The spelling of 11421242343 in words is "eleven billion, four hundred twenty-one million, two hundred forty-two thousand, three hundred forty-three".