90339323 has 2 divisors, whose sum is σ = 90339324. Its totient is φ = 90339322.

The previous prime is 90339317. The next prime is 90339367. The reversal of 90339323 is 32393309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90339323 - 2¹⁰ = 90338299 is a prime.

It is a super-2 number, since 2×90339323² = 16322386560196658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90339323.

It is not a weakly prime, because it can be changed into another prime (90339023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45169661 + 45169662.

It is an arithmetic number, because the mean of its divisors is an integer number (45169662).

Almost surely, 2^90339323 is an apocalyptic number.

90339323 is a deficient number, since it is larger than the sum of its proper divisors (1).

90339323 is an equidigital number, since it uses as much as digits as its factorization.

90339323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 32.

The square root of 90339323 is about 9504.7000478711. The cubic root of 90339323 is about 448.7029697016.

The spelling of 90339323 in words is "ninety million, three hundred thirty-nine thousand, three hundred twenty-three".