87368123 has 4 divisors (see below), whose sum is σ = 87733920. Its totient is φ = 87002328.

The previous prime is 87368111. The next prime is 87368143. The reversal of 87368123 is 32186378.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87368123 - 2⁸ = 87367867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87368143) 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, 182540 + ... + 183017.

It is an arithmetic number, because the mean of its divisors is an integer number (21933480).

Almost surely, 2^87368123 is an apocalyptic number.

87368123 is a deficient number, since it is larger than the sum of its proper divisors (365797).

87368123 is a wasteful number, since it uses less digits than its factorization.

87368123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365796.

The product of its digits is 48384, while the sum is 38.

The square root of 87368123 is about 9347.0916867227. The cubic root of 87368123 is about 443.7288523149.

The spelling of 87368123 in words is "eighty-seven million, three hundred sixty-eight thousand, one hundred twenty-three".