130123256 has 16 divisors (see below), whose sum is σ = 244110240. Its totient is φ = 65027200.

The previous prime is 130123247. The next prime is 130123271. The reversal of 130123256 is 652321031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19505 + ... + 25311.

It is an arithmetic number, because the mean of its divisors is an integer number (15256890).

Almost surely, 2^130123256 is an apocalyptic number.

It is an amenable number.

130123256 is a deficient number, since it is larger than the sum of its proper divisors (113986984).

130123256 is a wasteful number, since it uses less digits than its factorization.

130123256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614 (or 8610 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 130123256 is about 11407.1581035769. The cubic root of 130123256 is about 506.7397513071.

Adding to 130123256 its reverse (652321031), we get a palindrome (782444287).

The spelling of 130123256 in words is "one hundred thirty million, one hundred twenty-three thousand, two hundred fifty-six".