130223502 has 48 divisors (see below), whose sum is σ = 303853680. Its totient is φ = 40156416.

The previous prime is 130223497. The next prime is 130223537. The reversal of 130223502 is 205322031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14448 + ... + 21660.

It is an arithmetic number, because the mean of its divisors is an integer number (6330285).

Almost surely, 2^130223502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130223502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151926840).

130223502 is an abundant number, since it is smaller than the sum of its proper divisors (173630178).

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

130223502 is a wasteful number, since it uses less digits than its factorization.

130223502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297 (or 7294 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130223502 is about 11411.5512530068. The cubic root of 130223502 is about 506.8698474311.

Adding to 130223502 its reverse (205322031), we get a palindrome (335545533).

The spelling of 130223502 in words is "one hundred thirty million, two hundred twenty-three thousand, five hundred two".