203312324123144 has 64 divisors (see below), whose sum is σ = 409665227063040. Its totient is φ = 94256569958400.

The previous prime is 203312324123143. The next prime is 203312324123171. The reversal of 203312324123144 is 441321423213302.

It is a happy number.

203312324123144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203312324123144² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203312324123143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34897532 + ... + 40304619.

It is an arithmetic number, because the mean of its divisors is an integer number (6401019172860).

Almost surely, 2^{203312324123144} is an apocalyptic number.

It is an amenable number.

203312324123144 is an abundant number, since it is smaller than the sum of its proper divisors (206352902939896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203312324123144 is a wasteful number, since it uses less digits than its factorization.

203312324123144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75202470 (or 75202466 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 203312324123144 its reverse (441321423213302), we get a palindrome (644633747336446).

The spelling of 203312324123144 in words is "two hundred three trillion, three hundred twelve billion, three hundred twenty-four million, one hundred twenty-three thousand, one hundred forty-four".