243132231124 has 12 divisors (see below), whose sum is σ = 425505104500. Its totient is φ = 121559344128.

The previous prime is 243132231103. The next prime is 243132231137. The reversal of 243132231124 is 421132231342.

It can be written as a sum of positive squares in 2 ways, for example, as 226833112900 + 16299118224 = 476270^2 + 127668^2 .

It is a super-2 number, since 2×243132231124² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243132231092 and 243132231101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611639 + ... + 1756030.

Almost surely, 2^243132231124 is an apocalyptic number.

It is an amenable number.

243132231124 is a deficient number, since it is larger than the sum of its proper divisors (182372873376).

243132231124 is a wasteful number, since it uses less digits than its factorization.

243132231124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385722 (or 3385720 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 243132231124 its reverse (421132231342), we get a palindrome (664264462466).

The spelling of 243132231124 in words is "two hundred forty-three billion, one hundred thirty-two million, two hundred thirty-one thousand, one hundred twenty-four".