130615623 has 12 divisors (see below), whose sum is σ = 195173160. Its totient is φ = 84074256.

The previous prime is 130615621. The next prime is 130615637. The reversal of 130615623 is 326516031.

130615623 is a `hidden beast` number, since 1 + 30 + 6 + 1 + 5 + 623 = 666.

It is not a de Polignac number, because 130615623 - 2¹ = 130615621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130615621) 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 11 ways as a sum of consecutive naturals, for example, 249961 + ... + 250482.

It is an arithmetic number, because the mean of its divisors is an integer number (16264430).

Almost surely, 2^130615623 is an apocalyptic number.

130615623 is a deficient number, since it is larger than the sum of its proper divisors (64557537).

130615623 is a wasteful number, since it uses less digits than its factorization.

130615623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500478 (or 500475 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 130615623 is about 11428.7192195801. The cubic root of 130615623 is about 507.3780894130.

The spelling of 130615623 in words is "one hundred thirty million, six hundred fifteen thousand, six hundred twenty-three".