11500231323 has 8 divisors (see below), whose sum is σ = 17524162048. Its totient is φ = 6571560744.

The previous prime is 11500231313. The next prime is 11500231333. The reversal of 11500231323 is 32313200511.

It is an interprime number because it is at equal distance from previous prime (11500231313) and next prime (11500231333).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11500231323 - 2⁴ = 11500231307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 547630063 = 11500231323 / (1 + 1 + 5 + 0 + 0 + 2 + 3 + 1 + 3 + 2 + 3).

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 11500231323.

It is not an unprimeable number, because it can be changed into a prime (11500231313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273815011 + ... + 273815052.

It is an arithmetic number, because the mean of its divisors is an integer number (2190520256).

Almost surely, 2^11500231323 is an apocalyptic number.

11500231323 is a deficient number, since it is larger than the sum of its proper divisors (6023930725).

11500231323 is an equidigital number, since it uses as much as digits as its factorization.

11500231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547630073.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 11500231323 its reverse (32313200511), we get a palindrome (43813431834).

The spelling of 11500231323 in words is "eleven billion, five hundred million, two hundred thirty-one thousand, three hundred twenty-three".