243423014004 has 18 divisors (see below), whose sum is σ = 615319285490. Its totient is φ = 81141004656.

The previous prime is 243423013987. The next prime is 243423014011. The reversal of 243423014004 is 400410324342.

It is a happy number.

243423014004 is a `hidden beast` number, since 24 + 3 + 4 + 230 + 1 + 400 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 239954981904 + 3468032100 = 489852^2 + 58890^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×243423014004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3380875159 + ... + 3380875230.

Almost surely, 2^243423014004 is an apocalyptic number.

It is an amenable number.

243423014004 is an abundant number, since it is smaller than the sum of its proper divisors (371896271486).

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

243423014004 is a wasteful number, since it uses less digits than its factorization.

243423014004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761750399 (or 6761750394 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 243423014004 its reverse (400410324342), we get a palindrome (643833338346).

The spelling of 243423014004 in words is "two hundred forty-three billion, four hundred twenty-three million, fourteen thousand, four".