1005423053 has 2 divisors, whose sum is σ = 1005423054. Its totient is φ = 1005423052.

The previous prime is 1005423017. The next prime is 1005423101. The reversal of 1005423053 is 3503245001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624900004 + 380523049 = 24998^2 + 19507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005423053 - 2⁸ = 1005422797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005423553) 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, 502711526 + 502711527.

It is an arithmetic number, because the mean of its divisors is an integer number (502711527).

Almost surely, 2^1005423053 is an apocalyptic number.

It is an amenable number.

1005423053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005423053 is an equidigital number, since it uses as much as digits as its factorization.

1005423053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1005423053 is about 31708.4066613256. The cubic root of 1005423053 is about 1001.8044264203.

Adding to 1005423053 its reverse (3503245001), we get a palindrome (4508668054).

The spelling of 1005423053 in words is "one billion, five million, four hundred twenty-three thousand, fifty-three".