203234421 has 16 divisors (see below), whose sum is σ = 292134080. Its totient is φ = 124934400.

The previous prime is 203234411. The next prime is 203234429. The reversal of 203234421 is 124432302.

203234421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203234421 - 2⁵ = 203234389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203234429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44670 + ... + 49008.

It is an arithmetic number, because the mean of its divisors is an integer number (18258380).

Almost surely, 2^203234421 is an apocalyptic number.

It is an amenable number.

203234421 is a deficient number, since it is larger than the sum of its proper divisors (88899659).

203234421 is a wasteful number, since it uses less digits than its factorization.

203234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 203234421 is about 14256.0310395285. The cubic root of 203234421 is about 587.9392059642.

Adding to 203234421 its reverse (124432302), we get a palindrome (327666723).

The spelling of 203234421 in words is "two hundred three million, two hundred thirty-four thousand, four hundred twenty-one".