88123589 has 4 divisors (see below), whose sum is σ = 89568300. Its totient is φ = 86678880.

The previous prime is 88123573. The next prime is 88123601. The reversal of 88123589 is 98532188.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16467364 + 71656225 = 4058^2 + 8465^2 .

It is a cyclic number.

It is not a de Polignac number, because 88123589 - 2⁴ = 88123573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88113589) 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, 722264 + ... + 722385.

It is an arithmetic number, because the mean of its divisors is an integer number (22392075).

Almost surely, 2^88123589 is an apocalyptic number.

It is an amenable number.

88123589 is a deficient number, since it is larger than the sum of its proper divisors (1444711).

88123589 is a wasteful number, since it uses less digits than its factorization.

88123589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444710.

The product of its digits is 138240, while the sum is 44.

The square root of 88123589 is about 9387.4165242627. The cubic root of 88123589 is about 445.0041475858.

The spelling of 88123589 in words is "eighty-eight million, one hundred twenty-three thousand, five hundred eighty-nine".