11534140323 has 24 divisors (see below), whose sum is σ = 17554567680. Its totient is φ = 7277543280.

The previous prime is 11534140307. The next prime is 11534140337. The reversal of 11534140323 is 32304143511.

It is a happy number.

It is not a de Polignac number, because 11534140323 - 2⁴ = 11534140307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11534140523) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 143590 + ... + 209012.

It is an arithmetic number, because the mean of its divisors is an integer number (731440320).

Almost surely, 2^11534140323 is an apocalyptic number.

11534140323 is a deficient number, since it is larger than the sum of its proper divisors (6020427357).

11534140323 is a wasteful number, since it uses less digits than its factorization.

11534140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66479 (or 66476 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11534140323 its reverse (32304143511), we get a palindrome (43838283834).

The spelling of 11534140323 in words is "eleven billion, five hundred thirty-four million, one hundred forty thousand, three hundred twenty-three".