86590123 has 2 divisors, whose sum is σ = 86590124. Its totient is φ = 86590122.

The previous prime is 86590103. The next prime is 86590139. The reversal of 86590123 is 32109568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86590123 - 2¹³ = 86581931 is a prime.

It is not a weakly prime, because it can be changed into another prime (86590103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43295061 + 43295062.

It is an arithmetic number, because the mean of its divisors is an integer number (43295062).

Almost surely, 2^86590123 is an apocalyptic number.

86590123 is a deficient number, since it is larger than the sum of its proper divisors (1).

86590123 is an equidigital number, since it uses as much as digits as its factorization.

86590123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 86590123 is about 9305.3814000287. The cubic root of 86590123 is about 442.4078103882.

The spelling of 86590123 in words is "eighty-six million, five hundred ninety thousand, one hundred twenty-three".