87324623 has 2 divisors, whose sum is σ = 87324624. Its totient is φ = 87324622.

The previous prime is 87324619. The next prime is 87324641. The reversal of 87324623 is 32642378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87324623 - 2² = 87324619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87324673) 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, 43662311 + 43662312.

It is an arithmetic number, because the mean of its divisors is an integer number (43662312).

Almost surely, 2^87324623 is an apocalyptic number.

87324623 is a deficient number, since it is larger than the sum of its proper divisors (1).

87324623 is an equidigital number, since it uses as much as digits as its factorization.

87324623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 87324623 is about 9344.7644700121. The cubic root of 87324623 is about 443.6551968871.

The spelling of 87324623 in words is "eighty-seven million, three hundred twenty-four thousand, six hundred twenty-three".