1002340143453 has 64 divisors (see below), whose sum is σ = 1554806534400. Its totient is φ = 567650242560.

The previous prime is 1002340143401. The next prime is 1002340143499. The reversal of 1002340143453 is 3543410432001.

It is not a de Polignac number, because 1002340143453 - 2⁹ = 1002340142941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002340143453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002340145453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44205003 + ... + 44227671.

It is an arithmetic number, because the mean of its divisors is an integer number (24293852100).

Almost surely, 2^{1002340143453} is an apocalyptic number.

It is an amenable number.

1002340143453 is a deficient number, since it is larger than the sum of its proper divisors (552466390947).

1002340143453 is a wasteful number, since it uses less digits than its factorization.

1002340143453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23262.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1002340143453 its reverse (3543410432001), we get a palindrome (4545750575454).

The spelling of 1002340143453 in words is "one trillion, two billion, three hundred forty million, one hundred forty-three thousand, four hundred fifty-three".