13223234240 has 56 divisors (see below), whose sum is σ = 31669969680. Its totient is φ = 5258697728.

The previous prime is 13223234207. The next prime is 13223234261. The reversal of 13223234240 is 4243232231.

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, 64070 + ... + 174789.

Almost surely, 2^13223234240 is an apocalyptic number.

13223234240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13223234240 is an abundant number, since it is smaller than the sum of its proper divisors (18446735440).

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

13223234240 is a wasteful number, since it uses less digits than its factorization.

13223234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239049 (or 239039 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 13223234240 its reverse (4243232231), we get a palindrome (17466466471).

The spelling of 13223234240 in words is "thirteen billion, two hundred twenty-three million, two hundred thirty-four thousand, two hundred forty".