203243124132 has 60 divisors (see below), whose sum is σ = 531464369436. Its totient is φ = 67729003200.

The previous prime is 203243124107. The next prime is 203243124151. The reversal of 203243124132 is 231421342302.

203243124132 is a `hidden beast` number, since 2 + 0 + 3 + 243 + 1 + 2 + 413 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 139811679396 + 63431444736 = 373914^2 + 251856^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 203243124096 and 203243124105.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1114378 + ... + 1283870.

Almost surely, 2^203243124132 is an apocalyptic number.

It is an amenable number.

203243124132 is an abundant number, since it is smaller than the sum of its proper divisors (328221245304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203243124132 is a wasteful number, since it uses less digits than its factorization.

203243124132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173210 (or 173199 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 203243124132 its reverse (231421342302), we get a palindrome (434664466434).

The spelling of 203243124132 in words is "two hundred three billion, two hundred forty-three million, one hundred twenty-four thousand, one hundred thirty-two".