243422143012 has 24 divisors (see below), whose sum is σ = 428420777400. Its totient is φ = 121016985600.

The previous prime is 243422143007. The next prime is 243422143037. The reversal of 243422143012 is 210341224342.

243422143012 is digitally balanced in base 3, 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 4 ways, for example, as 204977129536 + 38445013476 = 452744^2 + 196074^2 .

It is a super-3 number, since 3×243422143012³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165114 + ... + 1358062.

It is an arithmetic number, because the mean of its divisors is an integer number (17850865725).

Almost surely, 2^243422143012 is an apocalyptic number.

It is an amenable number.

243422143012 is a deficient number, since it is larger than the sum of its proper divisors (184998634388).

243422143012 is a wasteful number, since it uses less digits than its factorization.

243422143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194751 (or 194749 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 243422143012 its reverse (210341224342), we get a palindrome (453763367354).

The spelling of 243422143012 in words is "two hundred forty-three billion, four hundred twenty-two million, one hundred forty-three thousand, twelve".