109623489 has 8 divisors (see below), whose sum is σ = 150115200. Its totient is φ = 71107056.

The previous prime is 109623487. The next prime is 109623491. The reversal of 109623489 is 984326901.

It is an interprime number because it is at equal distance from previous prime (109623487) and next prime (109623491).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109623489 - 2¹ = 109623487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109623489.

It is not an unprimeable number, because it can be changed into a prime (109623487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493689 + ... + 493910.

It is an arithmetic number, because the mean of its divisors is an integer number (18764400).

Almost surely, 2^109623489 is an apocalyptic number.

It is an amenable number.

109623489 is a deficient number, since it is larger than the sum of its proper divisors (40491711).

109623489 is an equidigital number, since it uses as much as digits as its factorization.

109623489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987639.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 109623489 is about 10470.1236382385. The cubic root of 109623489 is about 478.5946873759.

The spelling of 109623489 in words is "one hundred nine million, six hundred twenty-three thousand, four hundred eighty-nine".