203112331220123 has 8 divisors (see below), whose sum is σ = 231603201210528. Its totient is φ = 176459581874304.

The previous prime is 203112331220047. The next prime is 203112331220153. The reversal of 203112331220123 is 321022133211302.

203112331220123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203112331220123 - 2¹⁰ = 203112331219099 is a prime.

It is a super-3 number, since 3×203112331220123³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203112331220092 and 203112331220101.

It is not an unprimeable number, because it can be changed into a prime (203112331220153) 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, 459530160911 + ... + 459530161352.

It is an arithmetic number, because the mean of its divisors is an integer number (28950400151316).

Almost surely, 2^{203112331220123} is an apocalyptic number.

203112331220123 is a deficient number, since it is larger than the sum of its proper divisors (28490869990405).

203112331220123 is a wasteful number, since it uses less digits than its factorization.

203112331220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919060322293.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 203112331220123 its reverse (321022133211302), we get a palindrome (524134464431425).

The spelling of 203112331220123 in words is "two hundred three trillion, one hundred twelve billion, three hundred thirty-one million, two hundred twenty thousand, one hundred twenty-three".