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86023 = 712289
BaseRepresentation
bin10101000000000111
311101000001
4111000013
510223043
61502131
7505540
oct250007
9141001
1086023
11596a3
1241947
1330202
14234c7
151a74d
hex15007

86023 has 4 divisors (see below), whose sum is σ = 98320. Its totient is φ = 73728.

The previous prime is 86017. The next prime is 86027. The reversal of 86023 is 32068.

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

It is a 13-Lehmer number, since φ(86023) divides (86023-1)13.

It is a cyclic number.

It is not a de Polignac number, because 86023 - 25 = 85991 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 (86027) 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, 6138 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (24580).

286023 is an apocalyptic number.

86023 is a deficient number, since it is larger than the sum of its proper divisors (12297).

86023 is a wasteful number, since it uses less digits than its factorization.

86023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12296.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 86023 is about 293.2967780253. The cubic root of 86023 is about 44.1439842393.

It can be divided in two parts, 8 and 6023, that multiplied together give a palindrome (48184).

The spelling of 86023 in words is "eighty-six thousand, twenty-three".

Divisors: 1 7 12289 86023