13023432433220 has 96 divisors (see below), whose sum is σ = 30259914080256. Its totient is φ = 4668444771200.

The previous prime is 13023432433217. The next prime is 13023432433223. The reversal of 13023432433220 is 2233423432031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13023432433217) and next prime (13023432433223).

It is not an unprimeable number, because it can be changed into a prime (13023432433223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120641789 + ... + 120749691.

It is an arithmetic number, because the mean of its divisors is an integer number (315207438336).

Almost surely, 2^{13023432433220} is an apocalyptic number.

13023432433220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13023432433220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15129957040128).

13023432433220 is an abundant number, since it is smaller than the sum of its proper divisors (17236481647036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13023432433220 is a wasteful number, since it uses less digits than its factorization.

13023432433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115721 (or 115719 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 13023432433220 its reverse (2233423432031), we get a palindrome (15256855865251).

The spelling of 13023432433220 in words is "thirteen trillion, twenty-three billion, four hundred thirty-two million, four hundred thirty-three thousand, two hundred twenty".