13021423334 has 16 divisors (see below), whose sum is σ = 20463138816. Its totient is φ = 6206646600.

The previous prime is 13021423333. The next prime is 13021423361. The reversal of 13021423334 is 43332412031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021423333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563182 + ... + 1571489.

It is an arithmetic number, because the mean of its divisors is an integer number (1278946176).

Almost surely, 2^13021423334 is an apocalyptic number.

13021423334 is a deficient number, since it is larger than the sum of its proper divisors (7441715482).

13021423334 is a wasteful number, since it uses less digits than its factorization.

13021423334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134771.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13021423334 its reverse (43332412031), we get a palindrome (56353835365).

The spelling of 13021423334 in words is "thirteen billion, twenty-one million, four hundred twenty-three thousand, three hundred thirty-four".