108323515 has 4 divisors (see below), whose sum is σ = 129988224. Its totient is φ = 86658808.

The previous prime is 108323441. The next prime is 108323519. The reversal of 108323515 is 515323801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108323515 - 2⁹ = 108323003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108323519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10832347 + ... + 10832356.

It is an arithmetic number, because the mean of its divisors is an integer number (32497056).

Almost surely, 2^108323515 is an apocalyptic number.

108323515 is a deficient number, since it is larger than the sum of its proper divisors (21664709).

108323515 is an equidigital number, since it uses as much as digits as its factorization.

108323515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21664708.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 108323515 is about 10407.8583291665. The cubic root of 108323515 is about 476.6953490383.

The spelling of 108323515 in words is "one hundred eight million, three hundred twenty-three thousand, five hundred fifteen".