13223231004 has 12 divisors (see below), whose sum is σ = 30854205704. Its totient is φ = 4407743664.

The previous prime is 13223230997. The next prime is 13223231017. The reversal of 13223231004 is 40013232231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550967947 + ... + 550967970.

Almost surely, 2^13223231004 is an apocalyptic number.

It is an amenable number.

13223231004 is an abundant number, since it is smaller than the sum of its proper divisors (17630974700).

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

13223231004 is a wasteful number, since it uses less digits than its factorization.

13223231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101935924 (or 1101935922 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13223231004 its reverse (40013232231), we get a palindrome (53236463235).

The spelling of 13223231004 in words is "thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, four".