11513422323 has 32 divisors (see below), whose sum is σ = 18503150400. Its totient is φ = 7033436928.

The previous prime is 11513422307. The next prime is 11513422357. The reversal of 11513422323 is 32322431511.

11513422323 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 11513422323 - 2⁴ = 11513422307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11513422303) 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 31 ways as a sum of consecutive naturals, for example, 71628 + ... + 167801.

It is an arithmetic number, because the mean of its divisors is an integer number (578223450).

Almost surely, 2^11513422323 is an apocalyptic number.

11513422323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11513422323 is a deficient number, since it is larger than the sum of its proper divisors (6989728077).

11513422323 is a wasteful number, since it uses less digits than its factorization.

11513422323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239588 (or 239582 counting only the distinct ones).

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

Adding to 11513422323 its reverse (32322431511), we get a palindrome (43835853834).

The spelling of 11513422323 in words is "eleven billion, five hundred thirteen million, four hundred twenty-two thousand, three hundred twenty-three".