89145923 has 8 divisors (see below), whose sum is σ = 91402608. Its totient is φ = 86897664.

The previous prime is 89145919. The next prime is 89145937. The reversal of 89145923 is 32954198.

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

It is a cyclic number.

It is not a de Polignac number, because 89145923 - 2² = 89145919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89145223) 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, 23015 + ... + 26607.

It is an arithmetic number, because the mean of its divisors is an integer number (11425326).

Almost surely, 2^89145923 is an apocalyptic number.

89145923 is a deficient number, since it is larger than the sum of its proper divisors (2256685).

89145923 is a wasteful number, since it uses less digits than its factorization.

89145923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213.

The product of its digits is 77760, while the sum is 41.

The square root of 89145923 is about 9441.7118680883. The cubic root of 89145923 is about 446.7183871819.

The spelling of 89145923 in words is "eighty-nine million, one hundred forty-five thousand, nine hundred twenty-three".