1000323518953 has 16 divisors (see below), whose sum is σ = 1138762745856. Its totient is φ = 869804868240.

The previous prime is 1000323518917. The next prime is 1000323519023. The reversal of 1000323518953 is 3598153230001.

It is a de Polignac number, because none of the positive numbers 2^k-1000323518953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000323518353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5960650 + ... + 6126172.

It is an arithmetic number, because the mean of its divisors is an integer number (71172671616).

Almost surely, 2^{1000323518953} is an apocalyptic number.

It is an amenable number.

1000323518953 is a deficient number, since it is larger than the sum of its proper divisors (138439226903).

1000323518953 is a wasteful number, since it uses less digits than its factorization.

1000323518953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189444.

The product of its (nonzero) digits is 97200, while the sum is 40.

Adding to 1000323518953 its reverse (3598153230001), we get a palindrome (4598476748954).

The spelling of 1000323518953 in words is "one trillion, three hundred twenty-three million, five hundred eighteen thousand, nine hundred fifty-three".