203683500342 has 128 divisors (see below), whose sum is σ = 521365248000. Its totient is φ = 57737916288.

The previous prime is 203683500337. The next prime is 203683500347. The reversal of 203683500342 is 243005386302.

It is a happy number.

203683500342 is a `hidden beast` number, since 2 + 0 + 36 + 83 + 500 + 3 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (203683500337) and next prime (203683500347).

It is a junction number, because it is equal to n+sod(n) for n = 203683500297 and 203683500306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203683500347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68880328 + ... + 68883284.

It is an arithmetic number, because the mean of its divisors is an integer number (4073166000).

Almost surely, 2^203683500342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203683500342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260682624000).

203683500342 is an abundant number, since it is smaller than the sum of its proper divisors (317681747658).

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

203683500342 is a wasteful number, since it uses less digits than its factorization.

203683500342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347 (or 4341 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 203683500342 its reverse (243005386302), we get a palindrome (446688886644).

The spelling of 203683500342 in words is "two hundred three billion, six hundred eighty-three million, five hundred thousand, three hundred forty-two".