203424616434 has 32 divisors (see below), whose sum is σ = 453253792320. Its totient is φ = 60433837632.

The previous prime is 203424616433. The next prime is 203424616477. The reversal of 203424616434 is 434616424302.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203424616392 and 203424616401.

It is not an unprimeable number, because it can be changed into a prime (203424616433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44963392 + ... + 44967915.

It is an arithmetic number, because the mean of its divisors is an integer number (14164181010).

Almost surely, 2^203424616434 is an apocalyptic number.

203424616434 is an abundant number, since it is smaller than the sum of its proper divisors (249829175886).

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

203424616434 is a wasteful number, since it uses less digits than its factorization.

203424616434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89931354.

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 203424616434 in words is "two hundred three billion, four hundred twenty-four million, six hundred sixteen thousand, four hundred thirty-four".