13223703864 has 128 divisors (see below), whose sum is σ = 38224327680. Its totient is φ = 3734169600.

The previous prime is 13223703859. The next prime is 13223703901. The reversal of 13223703864 is 46830732231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8750869 + ... + 8752379.

It is an arithmetic number, because the mean of its divisors is an integer number (298627560).

Almost surely, 2^13223703864 is an apocalyptic number.

13223703864 is a gapful number since it is divisible by the number (14) 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 13223703864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19112163840).

13223703864 is an abundant number, since it is smaller than the sum of its proper divisors (25000623816).

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

13223703864 is a wasteful number, since it uses less digits than its factorization.

13223703864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 13223703864 in words is "thirteen billion, two hundred twenty-three million, seven hundred three thousand, eight hundred sixty-four".