1002310542523 has 4 divisors (see below), whose sum is σ = 1002312757048. Its totient is φ = 1002308328000.

The previous prime is 1002310542521. The next prime is 1002310542533. The reversal of 1002310542523 is 3252450132001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002310542523 - 2¹ = 1002310542521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002310542491 and 1002310542500.

It is not an unprimeable number, because it can be changed into a prime (1002310542521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155853 + ... + 1424398.

It is an arithmetic number, because the mean of its divisors is an integer number (250578189262).

Almost surely, 2^{1002310542523} is an apocalyptic number.

1002310542523 is a deficient number, since it is larger than the sum of its proper divisors (2214525).

1002310542523 is an equidigital number, since it uses as much as digits as its factorization.

1002310542523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214524.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1002310542523 its reverse (3252450132001), we get a palindrome (4254760674524).

The spelling of 1002310542523 in words is "one trillion, two billion, three hundred ten million, five hundred forty-two thousand, five hundred twenty-three".