130023123320 has 128 divisors (see below), whose sum is σ = 310537497600. Its totient is φ = 48859200000.

The previous prime is 130023123313. The next prime is 130023123361. The reversal of 130023123320 is 23321320031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 130023123292 and 130023123301.

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, 89608595 + ... + 89610045.

It is an arithmetic number, because the mean of its divisors is an integer number (2426074200).

Almost surely, 2^130023123320 is an apocalyptic number.

130023123320 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 130023123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155268748800).

130023123320 is an abundant number, since it is smaller than the sum of its proper divisors (180514374280).

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

130023123320 is a wasteful number, since it uses less digits than its factorization.

130023123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 130023123320 its reverse (23321320031), we get a palindrome (153344443351).

The spelling of 130023123320 in words is "one hundred thirty billion, twenty-three million, one hundred twenty-three thousand, three hundred twenty".