1231002123003 has 48 divisors (see below), whose sum is σ = 1819282218624. Its totient is φ = 801803059200.

The previous prime is 1231002122989. The next prime is 1231002123019. The reversal of 1231002123003 is 3003212001321.

It is not a de Polignac number, because 1231002123003 - 2³⁰ = 1229928381179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231002123023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172140478 + ... + 172147628.

It is an arithmetic number, because the mean of its divisors is an integer number (37901712888).

Almost surely, 2^{1231002123003} is an apocalyptic number.

1231002123003 is a deficient number, since it is larger than the sum of its proper divisors (588280095621).

1231002123003 is a wasteful number, since it uses less digits than its factorization.

1231002123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676 (or 8673 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1231002123003 its reverse (3003212001321), we get a palindrome (4234214124324).

The spelling of 1231002123003 in words is "one trillion, two hundred thirty-one billion, two million, one hundred twenty-three thousand, three".