1005423355 has 8 divisors (see below), whose sum is σ = 1211778000. Its totient is φ = 800825376.

The previous prime is 1005423343. The next prime is 1005423407. The reversal of 1005423355 is 5533245001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1005423355 - 2⁷ = 1005423227 is a prime.

It is a super-2 number, since 2×1005423355² = 2021752245558912050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437905 + ... + 440194.

It is an arithmetic number, because the mean of its divisors is an integer number (151472250).

Almost surely, 2^1005423355 is an apocalyptic number.

1005423355 is a deficient number, since it is larger than the sum of its proper divisors (206354645).

1005423355 is an equidigital number, since it uses as much as digits as its factorization.

1005423355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878333.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1005423355 is about 31708.4114234693. The cubic root of 1005423355 is about 1001.8045267246.

Adding to 1005423355 its reverse (5533245001), we get a palindrome (6538668356).

The spelling of 1005423355 in words is "one billion, five million, four hundred twenty-three thousand, three hundred fifty-five".