87023243 has 2 divisors, whose sum is σ = 87023244. Its totient is φ = 87023242.

The previous prime is 87023239. The next prime is 87023257. The reversal of 87023243 is 34232078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87023243 - 2² = 87023239 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87023203) by changing a digit.

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 as a sum of consecutive naturals, namely, 43511621 + 43511622.

It is an arithmetic number, because the mean of its divisors is an integer number (43511622).

Almost surely, 2^87023243 is an apocalyptic number.

87023243 is a deficient number, since it is larger than the sum of its proper divisors (1).

87023243 is an equidigital number, since it uses as much as digits as its factorization.

87023243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 87023243 is about 9328.6249254646. The cubic root of 87023243 is about 443.1442187477.

The spelling of 87023243 in words is "eighty-seven million, twenty-three thousand, two hundred forty-three".