13131233323 has 4 divisors (see below), whose sum is σ = 14141328208. Its totient is φ = 12121138440.

The previous prime is 13131233299. The next prime is 13131233351. The reversal of 13131233323 is 32333213131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32333213131 = 34919 ⋅925949.

It is a cyclic number.

It is not a de Polignac number, because 13131233323 - 2¹³ = 13131225131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131233023) 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, 505047423 + ... + 505047448.

It is an arithmetic number, because the mean of its divisors is an integer number (3535332052).

Almost surely, 2^13131233323 is an apocalyptic number.

13131233323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13131233323 is a deficient number, since it is larger than the sum of its proper divisors (1010094885).

13131233323 is a wasteful number, since it uses less digits than its factorization.

13131233323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010094884.

The product of its digits is 2916, while the sum is 25.

Adding to 13131233323 its reverse (32333213131), we get a palindrome (45464446454).

The spelling of 13131233323 in words is "thirteen billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty-three".