11231321432 has 16 divisors (see below), whose sum is σ = 21067178640. Its totient is φ = 5613407136.

The previous prime is 11231321357. The next prime is 11231321459. The reversal of 11231321432 is 23412313211.

11231321432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11231321432² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231321398 and 11231321407.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 260423 + ... + 300470.

It is an arithmetic number, because the mean of its divisors is an integer number (1316698665).

Almost surely, 2^11231321432 is an apocalyptic number.

It is an amenable number.

11231321432 is a deficient number, since it is larger than the sum of its proper divisors (9835857208).

11231321432 is a wasteful number, since it uses less digits than its factorization.

11231321432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563402 (or 563398 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 11231321432 its reverse (23412313211), we get a palindrome (34643634643).

The spelling of 11231321432 in words is "eleven billion, two hundred thirty-one million, three hundred twenty-one thousand, four hundred thirty-two".