1003213210123 has 4 divisors (see below), whose sum is σ = 1003215270568. Its totient is φ = 1003211149680.

The previous prime is 1003213210093. The next prime is 1003213210127. The reversal of 1003213210123 is 3210123123001.

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 1003213210123 - 2²⁹ = 1002676339211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003213210123.

It is not an unprimeable number, because it can be changed into a prime (1003213210127) 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 3 ways as a sum of consecutive naturals, for example, 153415 + ... + 1424767.

It is an arithmetic number, because the mean of its divisors is an integer number (250803817642).

Almost surely, 2^{1003213210123} is an apocalyptic number.

1003213210123 is a deficient number, since it is larger than the sum of its proper divisors (2060445).

1003213210123 is an equidigital number, since it uses as much as digits as its factorization.

1003213210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060444.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1003213210123 its reverse (3210123123001), we get a palindrome (4213336333124).

The spelling of 1003213210123 in words is "one trillion, three billion, two hundred thirteen million, two hundred ten thousand, one hundred twenty-three".