90423083 has 2 divisors, whose sum is σ = 90423084. Its totient is φ = 90423082.

The previous prime is 90423077. The next prime is 90423101. The reversal of 90423083 is 38032409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90423083 - 2⁶ = 90423019 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (90423043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45211541 + 45211542.

It is an arithmetic number, because the mean of its divisors is an integer number (45211542).

Almost surely, 2^90423083 is an apocalyptic number.

90423083 is a deficient number, since it is larger than the sum of its proper divisors (1).

90423083 is an equidigital number, since it uses as much as digits as its factorization.

90423083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 90423083 is about 9509.1052681101. The cubic root of 90423083 is about 448.8416016582.

The spelling of 90423083 in words is "ninety million, four hundred twenty-three thousand, eighty-three".