203230053430 has 128 divisors (see below), whose sum is σ = 387272793600. Its totient is φ = 76715458560.

The previous prime is 203230053421. The next prime is 203230053469. The reversal of 203230053430 is 34350032302.

It is a junction number, because it is equal to n+sod(n) for n = 203230053395 and 203230053404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 582320896 + ... + 582321244.

It is an arithmetic number, because the mean of its divisors is an integer number (3025568700).

Almost surely, 2^203230053430 is an apocalyptic number.

203230053430 is a deficient number, since it is larger than the sum of its proper divisors (184042740170).

203230053430 is a wasteful number, since it uses less digits than its factorization.

203230053430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794.

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 203230053430 its reverse (34350032302), we get a palindrome (237580085732).

The spelling of 203230053430 in words is "two hundred three billion, two hundred thirty million, fifty-three thousand, four hundred thirty".