86432523 has 4 divisors (see below), whose sum is σ = 115243368. Its totient is φ = 57621680.

The previous prime is 86432497. The next prime is 86432579. The reversal of 86432523 is 32523468.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86432523 - 2¹⁴ = 86416139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86432023) 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, 14405418 + ... + 14405423.

It is an arithmetic number, because the mean of its divisors is an integer number (28810842).

Almost surely, 2^86432523 is an apocalyptic number.

86432523 is a deficient number, since it is larger than the sum of its proper divisors (28810845).

86432523 is a wasteful number, since it uses less digits than its factorization.

86432523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28810844.

The product of its digits is 34560, while the sum is 33.

The square root of 86432523 is about 9296.9093251467. The cubic root of 86432523 is about 442.1392431358.

The spelling of 86432523 in words is "eighty-six million, four hundred thirty-two thousand, five hundred twenty-three".