13223023400 has 48 divisors (see below), whose sum is σ = 32361619200. Its totient is φ = 5010828480.

The previous prime is 13223023393. The next prime is 13223023417. The reversal of 13223023400 is 432032231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1736072 + ... + 1743671.

It is an arithmetic number, because the mean of its divisors is an integer number (674200400).

Almost surely, 2^13223023400 is an apocalyptic number.

13223023400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13223023400 is an abundant number, since it is smaller than the sum of its proper divisors (19138595800).

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

13223023400 is a wasteful number, since it uses less digits than its factorization.

13223023400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479778 (or 3479769 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13223023400 its reverse (432032231), we get a palindrome (13655055631).

The spelling of 13223023400 in words is "thirteen billion, two hundred twenty-three million, twenty-three thousand, four hundred".