87343823 has 6 divisors (see below), whose sum is σ = 101604096. Its totient is φ = 74866092.

The previous prime is 87343787. The next prime is 87343831. The reversal of 87343823 is 32834378.

It is not a de Polignac number, because 87343823 - 2⁶ = 87343759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87343873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 891215 + ... + 891312.

It is an arithmetic number, because the mean of its divisors is an integer number (16934016).

Almost surely, 2^87343823 is an apocalyptic number.

87343823 is a deficient number, since it is larger than the sum of its proper divisors (14260273).

87343823 is a wasteful number, since it uses less digits than its factorization.

87343823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782541 (or 1782534 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 87343823 is about 9345.7917267613. The cubic root of 87343823 is about 443.6877098839.

The spelling of 87343823 in words is "eighty-seven million, three hundred forty-three thousand, eight hundred twenty-three".