108989523 has 8 divisors (see below), whose sum is σ = 161466000. Its totient is φ = 72659664.

The previous prime is 108989519. The next prime is 108989527. The reversal of 108989523 is 325989801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108989519) and next prime (108989527).

It is not a de Polignac number, because 108989523 - 2² = 108989519 is a prime.

It is a super-2 number, since 2×108989523² = 23757432247535058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108989527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018298 + ... + 2018351.

It is an arithmetic number, because the mean of its divisors is an integer number (20183250).

Almost surely, 2^108989523 is an apocalyptic number.

108989523 is a deficient number, since it is larger than the sum of its proper divisors (52476477).

108989523 is an equidigital number, since it uses as much as digits as its factorization.

108989523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036658 (or 4036652 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 108989523 is about 10439.8047395533. The cubic root of 108989523 is about 477.6703126828.

The spelling of 108989523 in words is "one hundred eight million, nine hundred eighty-nine thousand, five hundred twenty-three".