130223616 has 80 divisors (see below), whose sum is σ = 349866000. Its totient is φ = 43040768.

The previous prime is 130223603. The next prime is 130223617. The reversal of 130223616 is 616322031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130223617) 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, 228580 + ... + 229148.

It is an arithmetic number, because the mean of its divisors is an integer number (4373325).

Almost surely, 2^130223616 is an apocalyptic number.

130223616 is a gapful number since it is divisible by the number (16) 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 130223616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174933000).

130223616 is an abundant number, since it is smaller than the sum of its proper divisors (219642384).

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

130223616 is an equidigital number, since it uses as much as digits as its factorization.

130223616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 130223616 is about 11411.5562479444. The cubic root of 130223616 is about 506.8699953387.

Adding to 130223616 its reverse (616322031), we get a palindrome (746545647).

The spelling of 130223616 in words is "one hundred thirty million, two hundred twenty-three thousand, six hundred sixteen".