203132223 has 12 divisors (see below), whose sum is σ = 335329488. Its totient is φ = 116075520.

The previous prime is 203132213. The next prime is 203132227. The reversal of 203132223 is 322231302.

It is a happy number.

It is not a de Polignac number, because 203132223 - 2⁵ = 203132191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203132196 and 203132205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203132227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612098 + ... + 1612223.

It is an arithmetic number, because the mean of its divisors is an integer number (27944124).

Almost surely, 2^203132223 is an apocalyptic number.

203132223 is a deficient number, since it is larger than the sum of its proper divisors (132197265).

203132223 is a wasteful number, since it uses less digits than its factorization.

203132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224334 (or 3224331 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 203132223 is about 14252.4462110895. The cubic root of 203132223 is about 587.8406395155.

Adding to 203132223 its reverse (322231302), we get a palindrome (525363525).

The spelling of 203132223 in words is "two hundred three million, one hundred thirty-two thousand, two hundred twenty-three".