13023122320 has 160 divisors (see below), whose sum is σ = 34167813120. Its totient is φ = 4583208960.

The previous prime is 13023122309. The next prime is 13023122327. The reversal of 13023122320 is 2322132031.

It is not an unprimeable number, because it can be changed into a prime (13023122327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2157066 + ... + 2163094.

It is an arithmetic number, because the mean of its divisors is an integer number (213548832).

Almost surely, 2^13023122320 is an apocalyptic number.

13023122320 is a gapful number since it is divisible by the number (10) 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 13023122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17083906560).

13023122320 is an abundant number, since it is smaller than the sum of its proper divisors (21144690800).

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

13023122320 is a wasteful number, since it uses less digits than its factorization.

13023122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153 (or 6147 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13023122320 its reverse (2322132031), we get a palindrome (15345254351).

The spelling of 13023122320 in words is "thirteen billion, twenty-three million, one hundred twenty-two thousand, three hundred twenty".