1230123134003 has 4 divisors (see below), whose sum is σ = 1234321506768. Its totient is φ = 1225924761240.

The previous prime is 1230123133997. The next prime is 1230123134021. The reversal of 1230123134003 is 3004313210321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230123134003 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 1230123134003.

It is not an unprimeable number, because it can be changed into a prime (1230123134063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099185943 + ... + 2099186528.

It is an arithmetic number, because the mean of its divisors is an integer number (308580376692).

Almost surely, 2^{1230123134003} is an apocalyptic number.

1230123134003 is a deficient number, since it is larger than the sum of its proper divisors (4198372765).

1230123134003 is an equidigital number, since it uses as much as digits as its factorization.

1230123134003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198372764.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1230123134003 its reverse (3004313210321), we get a palindrome (4234436344324).

The spelling of 1230123134003 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, one hundred thirty-four thousand, three".