130123000 has 128 divisors (see below), whose sum is σ = 360547200. Its totient is φ = 43008000.

The previous prime is 130122989. The next prime is 130123009. The reversal of 130123000 is 321031.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123009) 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 31 ways as a sum of consecutive naturals, for example, 202680 + ... + 203320.

It is an arithmetic number, because the mean of its divisors is an integer number (2816775).

Almost surely, 2^130123000 is an apocalyptic number.

130123000 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 130123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180273600).

130123000 is an abundant number, since it is smaller than the sum of its proper divisors (230424200).

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

130123000 is a wasteful number, since it uses less digits than its factorization.

130123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 130123000 is about 11407.1468825469. The cubic root of 130123000 is about 506.7394189928.

Adding to 130123000 its reverse (321031), we get a palindrome (130444031).

The spelling of 130123000 in words is "one hundred thirty million, one hundred twenty-three thousand".