203123432 has 16 divisors (see below), whose sum is σ = 384784260. Its totient is φ = 100514304.

The previous prime is 203123413. The next prime is 203123441. The reversal of 203123432 is 234321302.

203123432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 201469636 + 1653796 = 14194^2 + 1286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130103 + ... + 131654.

Almost surely, 2^203123432 is an apocalyptic number.

It is an amenable number.

203123432 is a deficient number, since it is larger than the sum of its proper divisors (181660828).

203123432 is a wasteful number, since it uses less digits than its factorization.

203123432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261860 (or 261856 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 203123432 is about 14252.1378045541. The cubic root of 203123432 is about 587.8321593549.

Adding to 203123432 its reverse (234321302), we get a palindrome (437444734).

The spelling of 203123432 in words is "two hundred three million, one hundred twenty-three thousand, four hundred thirty-two".