130123232 has 48 divisors (see below), whose sum is σ = 266490000. Its totient is φ = 62469120.

The previous prime is 130123211. The next prime is 130123241. The reversal of 130123232 is 232321031.

It is a super-2 number, since 2×130123232² = 33864111012251648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130123232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260519 + ... + 261017.

It is an arithmetic number, because the mean of its divisors is an integer number (5551875).

Almost surely, 2^130123232 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 130123232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133245000).

130123232 is an abundant number, since it is smaller than the sum of its proper divisors (136366768).

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

130123232 is a wasteful number, since it uses less digits than its factorization.

130123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130123232 is about 11407.1570516058. The cubic root of 130123232 is about 506.7397201527.

Adding to 130123232 its reverse (232321031), we get a palindrome (362444263).

The spelling of 130123232 in words is "one hundred thirty million, one hundred twenty-three thousand, two hundred thirty-two".