243011372 has 24 divisors (see below), whose sum is σ = 428652000. Its totient is φ = 120544256.

The previous prime is 243011371. The next prime is 243011381. The reversal of 243011372 is 273110342.

It is not an unprimeable number, because it can be changed into a prime (243011371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482873 + ... + 483375.

It is an arithmetic number, because the mean of its divisors is an integer number (17860500).

Almost surely, 2^243011372 is an apocalyptic number.

It is an amenable number.

243011372 is a deficient number, since it is larger than the sum of its proper divisors (185640628).

243011372 is a wasteful number, since it uses less digits than its factorization.

243011372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 243011372 is about 15588.8220209226. The cubic root of 243011372 is about 624.0348812136.

The spelling of 243011372 in words is "two hundred forty-three million, eleven thousand, three hundred seventy-two".