20123011003003 has 4 divisors (see below), whose sum is σ = 20322248735808. Its totient is φ = 19923773270200.

The previous prime is 20123011002989. The next prime is 20123011003027. The reversal of 20123011003003 is 30030011032102.

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 20123011003003 - 2¹³ = 20123010994811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123011004003) 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, 99618866251 + ... + 99618866452.

It is an arithmetic number, because the mean of its divisors is an integer number (5080562183952).

Almost surely, 2^{20123011003003} is an apocalyptic number.

20123011003003 is a deficient number, since it is larger than the sum of its proper divisors (199237732805).

20123011003003 is a wasteful number, since it uses less digits than its factorization.

20123011003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199237732804.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20123011003003 its reverse (30030011032102), we get a palindrome (50153022035105).

The spelling of 20123011003003 in words is "twenty trillion, one hundred twenty-three billion, eleven million, three thousand, three".