86523223 has 2 divisors, whose sum is σ = 86523224. Its totient is φ = 86523222.

The previous prime is 86523187. The next prime is 86523233. The reversal of 86523223 is 32232568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86523223 - 2²⁵ = 52968791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86523233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43261611 + 43261612.

It is an arithmetic number, because the mean of its divisors is an integer number (43261612).

Almost surely, 2^86523223 is an apocalyptic number.

86523223 is a deficient number, since it is larger than the sum of its proper divisors (1).

86523223 is an equidigital number, since it uses as much as digits as its factorization.

86523223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 86523223 is about 9301.7860112991. The cubic root of 86523223 is about 442.2938454730.

The spelling of 86523223 in words is "eighty-six million, five hundred twenty-three thousand, two hundred twenty-three".