90342323 has 2 divisors, whose sum is σ = 90342324. Its totient is φ = 90342322.

The previous prime is 90342299. The next prime is 90342377. The reversal of 90342323 is 32324309.

It is a weak prime.

It is an emirp because it is prime and its reverse (32324309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90342323 - 2¹⁶ = 90276787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90342292 and 90342301.

It is not a weakly prime, because it can be changed into another prime (90342383) 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, 45171161 + 45171162.

It is an arithmetic number, because the mean of its divisors is an integer number (45171162).

Almost surely, 2^90342323 is an apocalyptic number.

90342323 is a deficient number, since it is larger than the sum of its proper divisors (1).

90342323 is an equidigital number, since it uses as much as digits as its factorization.

90342323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 90342323 is about 9504.8578632192. The cubic root of 90342323 is about 448.7079365088.

The spelling of 90342323 in words is "ninety million, three hundred forty-two thousand, three hundred twenty-three".