1005232505323 has 4 divisors (see below), whose sum is σ = 1048938266448. Its totient is φ = 961526744200.

The previous prime is 1005232505311. The next prime is 1005232505419. The reversal of 1005232505323 is 3235052325001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005232505323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005232505023) 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 in 3 ways as a sum of consecutive naturals, for example, 21852880528 + ... + 21852880573.

It is an arithmetic number, because the mean of its divisors is an integer number (262234566612).

Almost surely, 2^{1005232505323} is an apocalyptic number.

1005232505323 is a deficient number, since it is larger than the sum of its proper divisors (43705761125).

1005232505323 is an equidigital number, since it uses as much as digits as its factorization.

1005232505323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43705761124.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 1005232505323 in words is "one trillion, five billion, two hundred thirty-two million, five hundred five thousand, three hundred twenty-three".