11345012523 has 40 divisors (see below), whose sum is σ = 18279954000. Its totient is φ = 6970525632.

The previous prime is 11345012521. The next prime is 11345012527. The reversal of 11345012523 is 32521054311.

11345012523 is a `hidden beast` number, since 1 + 134 + 5 + 0 + 1 + 2 + 523 = 666.

11345012523 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 11345012523 - 2¹ = 11345012521 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 (11345012521) 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 39 ways as a sum of consecutive naturals, for example, 685753 + ... + 702101.

It is an arithmetic number, because the mean of its divisors is an integer number (456998850).

Almost surely, 2^11345012523 is an apocalyptic number.

11345012523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11345012523 is a deficient number, since it is larger than the sum of its proper divisors (6934941477).

11345012523 is a wasteful number, since it uses less digits than its factorization.

11345012523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17033 (or 17024 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11345012523 its reverse (32521054311), we get a palindrome (43866066834).

The spelling of 11345012523 in words is "eleven billion, three hundred forty-five million, twelve thousand, five hundred twenty-three".