90069323 has 2 divisors, whose sum is σ = 90069324. Its totient is φ = 90069322.

The previous prime is 90069319. The next prime is 90069361. The reversal of 90069323 is 32396009.

It is a weak prime.

It is an emirp because it is prime and its reverse (32396009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90069323 - 2² = 90069319 is a prime.

It is a super-2 number, since 2×90069323² = 16224965891356658, 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 90069323.

It is not a weakly prime, because it can be changed into another prime (90069523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45034661 + 45034662.

It is an arithmetic number, because the mean of its divisors is an integer number (45034662).

Almost surely, 2^90069323 is an apocalyptic number.

90069323 is a deficient number, since it is larger than the sum of its proper divisors (1).

90069323 is an equidigital number, since it uses as much as digits as its factorization.

90069323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 90069323 is about 9490.4859201202. The cubic root of 90069323 is about 448.2555060230.

The spelling of 90069323 in words is "ninety million, sixty-nine thousand, three hundred twenty-three".