87151323 has 16 divisors (see below), whose sum is σ = 137086976. Its totient is φ = 48193920.

The previous prime is 87151321. The next prime is 87151327. The reversal of 87151323 is 32315178.

It is not a de Polignac number, because 87151323 - 2¹ = 87151321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87151321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66286 + ... + 67587.

It is an arithmetic number, because the mean of its divisors is an integer number (8567936).

Almost surely, 2^87151323 is an apocalyptic number.

87151323 is a deficient number, since it is larger than the sum of its proper divisors (49935653).

87151323 is a wasteful number, since it uses less digits than its factorization.

87151323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133914.

The product of its digits is 5040, while the sum is 30.

The square root of 87151323 is about 9335.4872931197. The cubic root of 87151323 is about 443.3615173570.

The spelling of 87151323 in words is "eighty-seven million, one hundred fifty-one thousand, three hundred twenty-three".