130023144 has 80 divisors (see below), whose sum is σ = 366717120. Its totient is φ = 43040160.

The previous prime is 130023139. The next prime is 130023169. The reversal of 130023144 is 441320031.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 105009 + ... + 106239.

It is an arithmetic number, because the mean of its divisors is an integer number (4583964).

Almost surely, 2^130023144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130023144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183358560).

130023144 is an abundant number, since it is smaller than the sum of its proper divisors (236693976).

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

130023144 is a wasteful number, since it uses less digits than its factorization.

130023144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130023144 is about 11402.7691373631. The cubic root of 130023144 is about 506.6097623843.

Adding to 130023144 its reverse (441320031), we get a palindrome (571343175).

The spelling of 130023144 in words is "one hundred thirty million, twenty-three thousand, one hundred forty-four".