13421023000 has 128 divisors (see below), whose sum is σ = 39154752000. Its totient is φ = 4183152000.

The previous prime is 13421022991. The next prime is 13421023001. The reversal of 13421023000 is 32012431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421023001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10150 + ... + 164149.

It is an arithmetic number, because the mean of its divisors is an integer number (305896500).

Almost surely, 2^13421023000 is an apocalyptic number.

13421023000 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 13421023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19577376000).

13421023000 is an abundant number, since it is smaller than the sum of its proper divisors (25733729000).

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

13421023000 is a wasteful number, since it uses less digits than its factorization.

13421023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174338 (or 174324 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13421023000 its reverse (32012431), we get a palindrome (13453035431).

The spelling of 13421023000 in words is "thirteen billion, four hundred twenty-one million, twenty-three thousand".