203023130302332 has 144 divisors (see below), whose sum is σ = 524092110796800. Its totient is φ = 66243768499584.

The previous prime is 203023130302273. The next prime is 203023130302393. The reversal of 203023130302332 is 233203031320302.

203023130302332 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 23 + 1 + 3 + 0 + 302 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 203023130302296 and 203023130302305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1790855083 + ... + 1790968445.

It is an arithmetic number, because the mean of its divisors is an integer number (3639528547200).

Almost surely, 2^{203023130302332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203023130302332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262046055398400).

203023130302332 is an abundant number, since it is smaller than the sum of its proper divisors (321068980494468).

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

203023130302332 is a wasteful number, since it uses less digits than its factorization.

203023130302332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115592 (or 115587 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 203023130302332 its reverse (233203031320302), we get a palindrome (436226161622634).

The spelling of 203023130302332 in words is "two hundred three trillion, twenty-three billion, one hundred thirty million, three hundred two thousand, three hundred thirty-two".