243120575654004 has 12 divisors (see below), whose sum is σ = 567281343192704. Its totient is φ = 81040191884664.

The previous prime is 243120575653957. The next prime is 243120575654039. The reversal of 243120575654004 is 400456575021342.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×243120575654004² (a number of 30 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 3 ways as a sum of consecutive naturals, for example, 10130023985572 + ... + 10130023985595.

Almost surely, 2^{243120575654004} is an apocalyptic number.

It is an amenable number.

243120575654004 is an abundant number, since it is smaller than the sum of its proper divisors (324160767538700).

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

243120575654004 is a wasteful number, since it uses less digits than its factorization.

243120575654004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260047971174 (or 20260047971172 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 243120575654004 in words is "two hundred forty-three trillion, one hundred twenty billion, five hundred seventy-five million, six hundred fifty-four thousand, four".