1003203400434 has 64 divisors (see below), whose sum is σ = 2121467977728. Its totient is φ = 315764064000.

The previous prime is 1003203400421. The next prime is 1003203400471. The reversal of 1003203400434 is 4340043023001.

1003203400434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7798234 + ... + 7925834.

It is an arithmetic number, because the mean of its divisors is an integer number (33147937152).

Almost surely, 2^{1003203400434} is an apocalyptic number.

1003203400434 is an abundant number, since it is smaller than the sum of its proper divisors (1118264577294).

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

1003203400434 is a wasteful number, since it uses less digits than its factorization.

1003203400434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128663.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1003203400434 its reverse (4340043023001), we get a palindrome (5343246423435).

The spelling of 1003203400434 in words is "one trillion, three billion, two hundred three million, four hundred thousand, four hundred thirty-four".