203101313123 has 8 divisors (see below), whose sum is σ = 208817548320. Its totient is φ = 197397025920.

The previous prime is 203101313113. The next prime is 203101313141. The reversal of 203101313123 is 321313101302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203101313123 - 2⁶ = 203101313059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203101313095 and 203101313104.

It is not an unprimeable number, because it can be changed into a prime (203101313113) 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 in 7 ways as a sum of consecutive naturals, for example, 2952518 + ... + 3020523.

It is an arithmetic number, because the mean of its divisors is an integer number (26102193540).

Almost surely, 2^203101313123 is an apocalyptic number.

203101313123 is a deficient number, since it is larger than the sum of its proper divisors (5716235197).

203101313123 is an equidigital number, since it uses as much as digits as its factorization.

203101313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973997.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 203101313123 its reverse (321313101302), we get a palindrome (524414414425).

The spelling of 203101313123 in words is "two hundred three billion, one hundred one million, three hundred thirteen thousand, one hundred twenty-three".