203425423304412 has 96 divisors (see below), whose sum is σ = 500666887365120. Its totient is φ = 64107774259200.

The previous prime is 203425423304359. The next prime is 203425423304419. The reversal of 203425423304412 is 214403324524302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203425423304419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2132271912 + ... + 2132367312.

It is an arithmetic number, because the mean of its divisors is an integer number (5215280076720).

Almost surely, 2^{203425423304412} 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 203425423304412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250333443682560).

203425423304412 is an abundant number, since it is smaller than the sum of its proper divisors (297241464060708).

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

203425423304412 is a wasteful number, since it uses less digits than its factorization.

203425423304412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114523 (or 114521 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 203425423304412 its reverse (214403324524302), we get a palindrome (417828747828714).

The spelling of 203425423304412 in words is "two hundred three trillion, four hundred twenty-five billion, four hundred twenty-three million, three hundred four thousand, four hundred twelve".