11194521323 has 4 divisors (see below), whose sum is σ = 11378038128. Its totient is φ = 11011004520.

The previous prime is 11194521307. The next prime is 11194521341. The reversal of 11194521323 is 32312549111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11194521323 - 2⁴ = 11194521307 is a prime.

It is a super-2 number, since 2×11194521323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11194521323.

It is not an unprimeable number, because it can be changed into a prime (11194521343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91758311 + ... + 91758432.

It is an arithmetic number, because the mean of its divisors is an integer number (2844509532).

Almost surely, 2^11194521323 is an apocalyptic number.

11194521323 is a deficient number, since it is larger than the sum of its proper divisors (183516805).

11194521323 is an equidigital number, since it uses as much as digits as its factorization.

11194521323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183516804.

The product of its digits is 6480, while the sum is 32.

The spelling of 11194521323 in words is "eleven billion, one hundred ninety-four million, five hundred twenty-one thousand, three hundred twenty-three".