90023223229 has 2 divisors, whose sum is σ = 90023223230. Its totient is φ = 90023223228.

The previous prime is 90023223197. The next prime is 90023223271. The reversal of 90023223229 is 92232232009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90016200729 + 7022500 = 300027^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 90023223229 - 2⁵ = 90023223197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90023223194 and 90023223203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90023223029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45011611614 + 45011611615.

It is an arithmetic number, because the mean of its divisors is an integer number (45011611615).

Almost surely, 2^90023223229 is an apocalyptic number.

It is an amenable number.

90023223229 is a deficient number, since it is larger than the sum of its proper divisors (1).

90023223229 is an equidigital number, since it uses as much as digits as its factorization.

90023223229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 90023223229 in words is "ninety billion, twenty-three million, two hundred twenty-three thousand, two hundred twenty-nine".