87231423168 has 42 divisors (see below), whose sum is σ = 250033126044. Its totient is φ = 29077140864.

The previous prime is 87231423143. The next prime is 87231423319. The reversal of 87231423168 is 86132413278.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75721146 + ... + 75722297.

Almost surely, 2^87231423168 is an apocalyptic number.

It is an amenable number.

87231423168 is an abundant number, since it is smaller than the sum of its proper divisors (162801702876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87231423168 is a wasteful number, since it uses less digits than its factorization.

87231423168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151443461 (or 151443448 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 87231423168 in words is "eighty-seven billion, two hundred thirty-one million, four hundred twenty-three thousand, one hundred sixty-eight".