90233383 has 2 divisors, whose sum is σ = 90233384. Its totient is φ = 90233382.

The previous prime is 90233369. The next prime is 90233447. The reversal of 90233383 is 38333209.

It is a weak prime.

It is an emirp because it is prime and its reverse (38333209) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90233383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90233323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45116691 + 45116692.

It is an arithmetic number, because the mean of its divisors is an integer number (45116692).

Almost surely, 2^90233383 is an apocalyptic number.

90233383 is a deficient number, since it is larger than the sum of its proper divisors (1).

90233383 is an equidigital number, since it uses as much as digits as its factorization.

90233383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 90233383 is about 9499.1253807916. The cubic root of 90233383 is about 448.5275046341.

The spelling of 90233383 in words is "ninety million, two hundred thirty-three thousand, three hundred eighty-three".