203230322040 has 64 divisors (see below), whose sum is σ = 629358428160. Its totient is φ = 52446533760.

The previous prime is 203230322039. The next prime is 203230322047. The reversal of 203230322040 is 40223032302.

It is a junction number, because it is equal to n+sod(n) for n = 203230321998 and 203230322016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203230322047) 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, 27312184 + ... + 27319623.

It is an arithmetic number, because the mean of its divisors is an integer number (9833725440).

Almost surely, 2^203230322040 is an apocalyptic number.

203230322040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203230322040 is an abundant number, since it is smaller than the sum of its proper divisors (426128106120).

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

203230322040 is a wasteful number, since it uses less digits than its factorization.

203230322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54631852 (or 54631848 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 203230322040 its reverse (40223032302), we get a palindrome (243453354342).

The spelling of 203230322040 in words is "two hundred three billion, two hundred thirty million, three hundred twenty-two thousand, forty".