20123303003 has 4 divisors (see below), whose sum is σ = 20123646240. Its totient is φ = 20122959768.

The previous prime is 20123302999. The next prime is 20123303041. The reversal of 20123303003 is 30030332102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30030332102 = 2 ⋅15015166051.

It is a cyclic number.

It is not a de Polignac number, because 20123303003 - 2² = 20123302999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123303803) 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, 59075 + ... + 209132.

It is an arithmetic number, because the mean of its divisors is an integer number (5030911560).

Almost surely, 2^20123303003 is an apocalyptic number.

20123303003 is a deficient number, since it is larger than the sum of its proper divisors (343237).

20123303003 is an equidigital number, since it uses as much as digits as its factorization.

20123303003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343236.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20123303003 its reverse (30030332102), we get a palindrome (50153635105).

The spelling of 20123303003 in words is "twenty billion, one hundred twenty-three million, three hundred three thousand, three".