13321423000 has 64 divisors (see below), whose sum is σ = 31359182400. Its totient is φ = 5296595200.

The previous prime is 13321422971. The next prime is 13321423007. The reversal of 13321423000 is 32412331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321423007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127116 + ... + 206884.

It is an arithmetic number, because the mean of its divisors is an integer number (489987225).

Almost surely, 2^13321423000 is an apocalyptic number.

13321423000 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 13321423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15679591200).

13321423000 is an abundant number, since it is smaller than the sum of its proper divisors (18037759400).

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

13321423000 is a wasteful number, since it uses less digits than its factorization.

13321423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79957 (or 79943 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13321423000 its reverse (32412331), we get a palindrome (13353835331).

The spelling of 13321423000 in words is "thirteen billion, three hundred twenty-one million, four hundred twenty-three thousand".