87045323 has 4 divisors (see below), whose sum is σ = 87138768. Its totient is φ = 86951880.

The previous prime is 87045313. The next prime is 87045331. The reversal of 87045323 is 32354078.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32354078 = 2 ⋅16177039.

It is a cyclic number.

It is not a de Polignac number, because 87045323 - 2⁸ = 87045067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87045323.

It is not an unprimeable number, because it can be changed into a prime (87045313) 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, 45311 + ... + 47192.

It is an arithmetic number, because the mean of its divisors is an integer number (21784692).

Almost surely, 2^87045323 is an apocalyptic number.

87045323 is a deficient number, since it is larger than the sum of its proper divisors (93445).

87045323 is an equidigital number, since it uses as much as digits as its factorization.

87045323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93444.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 87045323 is about 9329.8083045687. The cubic root of 87045323 is about 443.1816945477.

The spelling of 87045323 in words is "eighty-seven million, forty-five thousand, three hundred twenty-three".