13531154323 has 4 divisors (see below), whose sum is σ = 14243320360. Its totient is φ = 12818988288.

The previous prime is 13531154321. The next prime is 13531154359. The reversal of 13531154323 is 32345113531.

It is a happy number.

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 13531154323 - 2¹ = 13531154321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13531154321) 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, 356082990 + ... + 356083027.

It is an arithmetic number, because the mean of its divisors is an integer number (3560830090).

Almost surely, 2^13531154323 is an apocalyptic number.

13531154323 is a deficient number, since it is larger than the sum of its proper divisors (712166037).

13531154323 is an equidigital number, since it uses as much as digits as its factorization.

13531154323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712166036.

The product of its digits is 16200, while the sum is 31.

Adding to 13531154323 its reverse (32345113531), we get a palindrome (45876267854).

The spelling of 13531154323 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-four thousand, three hundred twenty-three".