90230671 has 2 divisors, whose sum is σ = 90230672. Its totient is φ = 90230670.

The previous prime is 90230669. The next prime is 90230731. The reversal of 90230671 is 17603209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90230671 - 2¹ = 90230669 is a prime.

It is a super-2 number, since 2×90230671² = 16283147978220482, which contains 22 as substring.

Together with 90230669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90230171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45115335 + 45115336.

It is an arithmetic number, because the mean of its divisors is an integer number (45115336).

Almost surely, 2^90230671 is an apocalyptic number.

90230671 is a deficient number, since it is larger than the sum of its proper divisors (1).

90230671 is an equidigital number, since it uses as much as digits as its factorization.

90230671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 90230671 is about 9498.9826297346. The cubic root of 90230671 is about 448.5230110319.

The spelling of 90230671 in words is "ninety million, two hundred thirty thousand, six hundred seventy-one".