323898563 has 2 divisors, whose sum is σ = 323898564. Its totient is φ = 323898562.

The previous prime is 323898557. The next prime is 323898577. The reversal of 323898563 is 365898323.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323898563 - 2¹⁸ = 323636419 is a prime.

It is a super-2 number, since 2×323898563² = 209820558226929938, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (323898503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161949281 + 161949282.

It is an arithmetic number, because the mean of its divisors is an integer number (161949282).

Almost surely, 2^323898563 is an apocalyptic number.

323898563 is a deficient number, since it is larger than the sum of its proper divisors (1).

323898563 is an equidigital number, since it uses as much as digits as its factorization.

323898563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 323898563 is about 17997.1820849821. The cubic root of 323898563 is about 686.7568612737.

The spelling of 323898563 in words is "three hundred twenty-three million, eight hundred ninety-eight thousand, five hundred sixty-three".