13423245312 has 96 divisors (see below), whose sum is σ = 37021093200. Its totient is φ = 4320067584.

The previous prime is 13423245293. The next prime is 13423245323. The reversal of 13423245312 is 21354232431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×13423245312² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13423245312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140508 + ... + 215844.

Almost surely, 2^13423245312 is an apocalyptic number.

13423245312 is a gapful number since it is divisible by the number (12) 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 13423245312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18510546600).

13423245312 is an abundant number, since it is smaller than the sum of its proper divisors (23597847888).

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

13423245312 is an equidigital number, since it uses as much as digits as its factorization.

13423245312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75391 (or 75371 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 13423245312 its reverse (21354232431), we get a palindrome (34777477743).

The spelling of 13423245312 in words is "thirteen billion, four hundred twenty-three million, two hundred forty-five thousand, three hundred twelve".