523243219 has 2 divisors, whose sum is σ = 523243220. Its totient is φ = 523243218.

The previous prime is 523243199. The next prime is 523243241. The reversal of 523243219 is 912342325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523243219 - 2¹⁷ = 523112147 is a prime.

It is a super-2 number, since 2×523243219² = 547566932458963922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (523243619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261621609 + 261621610.

It is an arithmetic number, because the mean of its divisors is an integer number (261621610).

Almost surely, 2^523243219 is an apocalyptic number.

523243219 is a deficient number, since it is larger than the sum of its proper divisors (1).

523243219 is an equidigital number, since it uses as much as digits as its factorization.

523243219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 523243219 is about 22874.5102461233. The cubic root of 523243219 is about 805.8134949923.

The spelling of 523243219 in words is "five hundred twenty-three million, two hundred forty-three thousand, two hundred nineteen".