1005501323 has 2 divisors, whose sum is σ = 1005501324. Its totient is φ = 1005501322.

The previous prime is 1005501317. The next prime is 1005501331. The reversal of 1005501323 is 3231055001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3231055001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005501323 - 2⁸ = 1005501067 is a prime.

It is a super-2 number, since 2×1005501323² = 2022065821109500658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005501295 and 1005501304.

It is not a weakly prime, because it can be changed into another prime (1005501313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502750661 + 502750662.

It is an arithmetic number, because the mean of its divisors is an integer number (502750662).

Almost surely, 2^1005501323 is an apocalyptic number.

1005501323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005501323 is an equidigital number, since it uses as much as digits as its factorization.

1005501323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1005501323 is about 31709.6408525861. The cubic root of 1005501323 is about 1001.8304218450.

Adding to 1005501323 its reverse (3231055001), we get a palindrome (4236556324).

The spelling of 1005501323 in words is "one billion, five million, five hundred one thousand, three hundred twenty-three".