203323120123 has 8 divisors (see below), whose sum is σ = 205391444400. Its totient is φ = 201265061088.

The previous prime is 203323120103. The next prime is 203323120127. The reversal of 203323120123 is 321021323302.

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

It is not a de Polignac number, because 203323120123 - 2³⁷ = 65884166651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203323120094 and 203323120103.

It is not an unprimeable number, because it can be changed into a prime (203323120127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2526493 + ... + 2605726.

It is an arithmetic number, because the mean of its divisors is an integer number (25673930550).

Almost surely, 2^203323120123 is an apocalyptic number.

203323120123 is a deficient number, since it is larger than the sum of its proper divisors (2068324277).

203323120123 is a wasteful number, since it uses less digits than its factorization.

203323120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132621.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203323120123 its reverse (321021323302), we get a palindrome (524344443425).

The spelling of 203323120123 in words is "two hundred three billion, three hundred twenty-three million, one hundred twenty thousand, one hundred twenty-three".