1005255323 has 4 divisors (see below), whose sum is σ = 1015208448. Its totient is φ = 995302200.

The previous prime is 1005255299. The next prime is 1005255371. The reversal of 1005255323 is 3235525001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3235525001 = 101 ⋅32034901.

It is a cyclic number.

It is not a de Polignac number, because 1005255323 - 2¹² = 1005251227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1005255292 and 1005255301.

It is not an unprimeable number, because it can be changed into a prime (1005254323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4976411 + ... + 4976612.

It is an arithmetic number, because the mean of its divisors is an integer number (253802112).

Almost surely, 2^1005255323 is an apocalyptic number.

1005255323 is a deficient number, since it is larger than the sum of its proper divisors (9953125).

1005255323 is an equidigital number, since it uses as much as digits as its factorization.

1005255323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9953124.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1005255323 is about 31705.7616688198. The cubic root of 1005255323 is about 1001.7487145482.

The spelling of 1005255323 in words is "one billion, five million, two hundred fifty-five thousand, three hundred twenty-three".