203402424003 has 32 divisors (see below), whose sum is σ = 291719869440. Its totient is φ = 125658604800.

The previous prime is 203402423977. The next prime is 203402424013. The reversal of 203402424003 is 300424204302.

It is not a de Polignac number, because 203402424003 - 2⁸ = 203402423747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203402424013) 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, 4803801 + ... + 4845957.

It is an arithmetic number, because the mean of its divisors is an integer number (9116245920).

Almost surely, 2^203402424003 is an apocalyptic number.

203402424003 is a deficient number, since it is larger than the sum of its proper divisors (88317445437).

203402424003 is a wasteful number, since it uses less digits than its factorization.

203402424003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44027.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 203402424003 its reverse (300424204302), we get a palindrome (503826628305).

The spelling of 203402424003 in words is "two hundred three billion, four hundred two million, four hundred twenty-four thousand, three".