180490523 has 2 divisors, whose sum is σ = 180490524. Its totient is φ = 180490522.

The previous prime is 180490459. The next prime is 180490537. The reversal of 180490523 is 325094081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 180490523 - 2⁶ = 180490459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180490523.

It is not a weakly prime, because it can be changed into another prime (180490543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90245261 + 90245262.

It is an arithmetic number, because the mean of its divisors is an integer number (90245262).

Almost surely, 2^180490523 is an apocalyptic number.

180490523 is a deficient number, since it is larger than the sum of its proper divisors (1).

180490523 is an equidigital number, since it uses as much as digits as its factorization.

180490523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 180490523 is about 13434.6761404955. The cubic root of 180490523 is about 565.1340408214.

The spelling of 180490523 in words is "one hundred eighty million, four hundred ninety thousand, five hundred twenty-three".