86423523 has 4 divisors (see below), whose sum is σ = 115231368. Its totient is φ = 57615680.

The previous prime is 86423521. The next prime is 86423537. The reversal of 86423523 is 32532468.

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 86423523 - 2¹ = 86423521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86423521) 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, 14403918 + ... + 14403923.

It is an arithmetic number, because the mean of its divisors is an integer number (28807842).

Almost surely, 2^86423523 is an apocalyptic number.

86423523 is a deficient number, since it is larger than the sum of its proper divisors (28807845).

86423523 is a wasteful number, since it uses less digits than its factorization.

86423523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28807844.

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

The square root of 86423523 is about 9296.4252807195. The cubic root of 86423523 is about 442.1238963228.

The spelling of 86423523 in words is "eighty-six million, four hundred twenty-three thousand, five hundred twenty-three".