243730023132 has 24 divisors (see below), whose sum is σ = 568711470096. Its totient is φ = 81242186368.

The previous prime is 243730023011. The next prime is 243730023157. The reversal of 243730023132 is 231320037342.

It is a self number, because there is not a number n which added to its sum of digits gives 243730023132.

It is a congruent number.

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, 1374328 + ... + 1541504.

It is an arithmetic number, because the mean of its divisors is an integer number (23696311254).

Almost surely, 2^243730023132 is an apocalyptic number.

It is an amenable number.

243730023132 is an abundant number, since it is smaller than the sum of its proper divisors (324981446964).

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

243730023132 is a wasteful number, since it uses less digits than its factorization.

243730023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288677 (or 288675 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 30.

The spelling of 243730023132 in words is "two hundred forty-three billion, seven hundred thirty million, twenty-three thousand, one hundred thirty-two".