108623515 has 48 divisors (see below), whose sum is σ = 176428224. Its totient is φ = 62472960.

The previous prime is 108623509. The next prime is 108623519. The reversal of 108623515 is 515326801.

It is not a de Polignac number, because 108623515 - 2⁵ = 108623483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108623519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54069 + ... + 56041.

It is an arithmetic number, because the mean of its divisors is an integer number (3675588).

Almost surely, 2^108623515 is an apocalyptic number.

108623515 is a deficient number, since it is larger than the sum of its proper divisors (67804709).

108623515 is a wasteful number, since it uses less digits than its factorization.

108623515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 108623515 is about 10422.2605513391. The cubic root of 108623515 is about 477.1350097699.

The spelling of 108623515 in words is "one hundred eight million, six hundred twenty-three thousand, five hundred fifteen".