203212430 has 8 divisors (see below), whose sum is σ = 365782392. Its totient is φ = 81284968.

The previous prime is 203212423. The next prime is 203212487. The reversal of 203212430 is 34212302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 203212399 and 203212408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10160612 + ... + 10160631.

It is an arithmetic number, because the mean of its divisors is an integer number (45722799).

Almost surely, 2^203212430 is an apocalyptic number.

203212430 is a deficient number, since it is larger than the sum of its proper divisors (162569962).

203212430 is a wasteful number, since it uses less digits than its factorization.

203212430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20321250.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 203212430 is about 14255.2597310607. The cubic root of 203212430 is about 587.9179991932.

Adding to 203212430 its reverse (34212302), we get a palindrome (237424732).

The spelling of 203212430 in words is "two hundred three million, two hundred twelve thousand, four hundred thirty".