87423093 has 24 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 57302784.

The previous prime is 87423071. The next prime is 87423097. The reversal of 87423093 is 39032478.

It is not a de Polignac number, because 87423093 - 2⁹ = 87422581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87423097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208438 + ... + 208856.

It is an arithmetic number, because the mean of its divisors is an integer number (5350800).

Almost surely, 2^87423093 is an apocalyptic number.

It is an amenable number.

87423093 is a deficient number, since it is larger than the sum of its proper divisors (40996107).

87423093 is a wasteful number, since it uses less digits than its factorization.

87423093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 87423093 is about 9350.0317111762. The cubic root of 87423093 is about 443.8218941109.

The spelling of 87423093 in words is "eighty-seven million, four hundred twenty-three thousand, ninety-three".