203311210311123 has 8 divisors (see below), whose sum is σ = 271124649432000. Its totient is φ = 135519289032168.

The previous prime is 203311210311091. The next prime is 203311210311137. The reversal of 203311210311123 is 321113012113302.

203311210311123 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 203311210311123 - 2⁵ = 203311210311091 is a prime.

It is a super-2 number, since 2×203311210311123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203311210311093 and 203311210311102.

It is not an unprimeable number, because it can be changed into a prime (203311210311623) 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, 5379438433 + ... + 5379476226.

It is an arithmetic number, because the mean of its divisors is an integer number (33890581179000).

Almost surely, 2^{203311210311123} is an apocalyptic number.

203311210311123 is a deficient number, since it is larger than the sum of its proper divisors (67813439120877).

203311210311123 is a wasteful number, since it uses less digits than its factorization.

203311210311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10758920961.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 203311210311123 its reverse (321113012113302), we get a palindrome (524424222424425).

The spelling of 203311210311123 in words is "two hundred three trillion, three hundred eleven billion, two hundred ten million, three hundred eleven thousand, one hundred twenty-three".