13233031423 has 4 divisors (see below), whose sum is σ = 13252694848. Its totient is φ = 13213368000.

The previous prime is 13233031391. The next prime is 13233031447. The reversal of 13233031423 is 32413033231.

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 13233031423 - 2⁵ = 13233031391 is a prime.

It is a super-2 number, since 2×13233031423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233031723) 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, 9830703 + ... + 9832048.

It is an arithmetic number, because the mean of its divisors is an integer number (3313173712).

Almost surely, 2^13233031423 is an apocalyptic number.

13233031423 is a deficient number, since it is larger than the sum of its proper divisors (19663425).

13233031423 is an equidigital number, since it uses as much as digits as its factorization.

13233031423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19663424.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13233031423 its reverse (32413033231), we get a palindrome (45646064654).

The spelling of 13233031423 in words is "thirteen billion, two hundred thirty-three million, thirty-one thousand, four hundred twenty-three".