89412123 has 4 divisors (see below), whose sum is σ = 119216168. Its totient is φ = 59608080.

The previous prime is 89412077. The next prime is 89412139. The reversal of 89412123 is 32121498.

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

It is not a de Polignac number, because 89412123 - 2⁸ = 89411867 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89412143) 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, 14902018 + ... + 14902023.

It is an arithmetic number, because the mean of its divisors is an integer number (29804042).

Almost surely, 2^89412123 is an apocalyptic number.

89412123 is a deficient number, since it is larger than the sum of its proper divisors (29804045).

89412123 is a wasteful number, since it uses less digits than its factorization.

89412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29804044.

The product of its digits is 3456, while the sum is 30.

The square root of 89412123 is about 9455.7983798302. The cubic root of 89412123 is about 447.1625961843.

The spelling of 89412123 in words is "eighty-nine million, four hundred twelve thousand, one hundred twenty-three".