130223637 has 12 divisors (see below), whose sum is σ = 188402604. Its totient is φ = 86676480.

The previous prime is 130223623. The next prime is 130223647. The reversal of 130223637 is 736322031.

130223637 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 23 + 637 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59814756 + 70408881 = 7734^2 + 8391^2 .

It is not a de Polignac number, because 130223637 - 2¹⁰ = 130222613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130223637.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5518 + ... + 17055.

It is an arithmetic number, because the mean of its divisors is an integer number (15700217).

Almost surely, 2^130223637 is an apocalyptic number.

It is an amenable number.

130223637 is a deficient number, since it is larger than the sum of its proper divisors (58178967).

130223637 is a wasteful number, since it uses less digits than its factorization.

130223637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23220 (or 23217 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 130223637 is about 11411.5571680643. The cubic root of 130223637 is about 506.8700225848.

Adding to 130223637 its reverse (736322031), we get a palindrome (866545668).

The spelling of 130223637 in words is "one hundred thirty million, two hundred twenty-three thousand, six hundred thirty-seven".