130123565 has 32 divisors (see below), whose sum is σ = 185020416. Its totient is φ = 86607360.

The previous prime is 130123537. The next prime is 130123577. The reversal of 130123565 is 565321031.

It is not a de Polignac number, because 130123565 - 2⁶ = 130123501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90089 + ... + 91521.

It is an arithmetic number, because the mean of its divisors is an integer number (5781888).

Almost surely, 2^130123565 is an apocalyptic number.

It is an amenable number.

130123565 is a deficient number, since it is larger than the sum of its proper divisors (54896851).

130123565 is a wasteful number, since it uses less digits than its factorization.

130123565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 130123565 is about 11407.1716476960. The cubic root of 130123565 is about 506.7401524203.

Adding to 130123565 its reverse (565321031), we get a palindrome (695444596).

The spelling of 130123565 in words is "one hundred thirty million, one hundred twenty-three thousand, five hundred sixty-five".