10123203203 has 2 divisors, whose sum is σ = 10123203204. Its totient is φ = 10123203202.

The previous prime is 10123203199. The next prime is 10123203229. The reversal of 10123203203 is 30230232101.

10123203203 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10123203203 - 2² = 10123203199 is a prime.

It is not a weakly prime, because it can be changed into another prime (10123203253) 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 as a sum of consecutive naturals, namely, 5061601601 + 5061601602.

It is an arithmetic number, because the mean of its divisors is an integer number (5061601602).

Almost surely, 2^10123203203 is an apocalyptic number.

10123203203 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123203203 is an equidigital number, since it uses as much as digits as its factorization.

10123203203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10123203203 its reverse (30230232101), we get a palindrome (40353435304).

The spelling of 10123203203 in words is "ten billion, one hundred twenty-three million, two hundred three thousand, two hundred three".