1005143135323 has 2 divisors, whose sum is σ = 1005143135324. Its totient is φ = 1005143135322.

The previous prime is 1005143135309. The next prime is 1005143135329. The reversal of 1005143135323 is 3235313415001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1005143135323 - 2¹⁷ = 1005143004251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005143135329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502571567661 + 502571567662.

It is an arithmetic number, because the mean of its divisors is an integer number (502571567662).

Almost surely, 2^{1005143135323} is an apocalyptic number.

1005143135323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005143135323 is an equidigital number, since it uses as much as digits as its factorization.

1005143135323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 1005143135323 in words is "one trillion, five billion, one hundred forty-three million, one hundred thirty-five thousand, three hundred twenty-three".