11632421343 has 16 divisors (see below), whose sum is σ = 16667354880. Its totient is φ = 7189835136.

The previous prime is 11632421303. The next prime is 11632421347. The reversal of 11632421343 is 34312423611.

It is not a de Polignac number, because 11632421343 - 2¹³ = 11632413151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11632421343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11632421347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698723 + ... + 1705556.

It is an arithmetic number, because the mean of its divisors is an integer number (1041709680).

Almost surely, 2^11632421343 is an apocalyptic number.

11632421343 is a deficient number, since it is larger than the sum of its proper divisors (5034933537).

11632421343 is a wasteful number, since it uses less digits than its factorization.

11632421343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404366.

The product of its digits is 10368, while the sum is 30.

Adding to 11632421343 its reverse (34312423611), we get a palindrome (45944844954).

The spelling of 11632421343 in words is "eleven billion, six hundred thirty-two million, four hundred twenty-one thousand, three hundred forty-three".