203312023231230 has 64 divisors (see below), whose sum is σ = 556818514102080. Its totient is φ = 52751227646592.

The previous prime is 203312023231199. The next prime is 203312023231259. The reversal of 203312023231230 is 32132320213302.

203312023231230 is a `hidden beast` number, since 2 + 0 + 3 + 312 + 0 + 2 + 3 + 2 + 312 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203312023231194 and 203312023231203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10175766949 + ... + 10175786928.

It is an arithmetic number, because the mean of its divisors is an integer number (8700289282845).

Almost surely, 2^{203312023231230} is an apocalyptic number.

203312023231230 is an abundant number, since it is smaller than the sum of its proper divisors (353506490870850).

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

203312023231230 is a wasteful number, since it uses less digits than its factorization.

203312023231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20351553930 (or 20351553924 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 203312023231230 its reverse (32132320213302), we get a palindrome (235444343444532).

The spelling of 203312023231230 in words is "two hundred three trillion, three hundred twelve billion, twenty-three million, two hundred thirty-one thousand, two hundred thirty".