242323140 has 24 divisors (see below), whose sum is σ = 678504960. Its totient is φ = 64619488.

The previous prime is 242323111. The next prime is 242323157. The reversal of 242323140 is 41323242.

242323140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2019300 + ... + 2019419.

It is an arithmetic number, because the mean of its divisors is an integer number (28271040).

Almost surely, 2^242323140 is an apocalyptic number.

242323140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242323140 is an abundant number, since it is smaller than the sum of its proper divisors (436181820).

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

242323140 is a wasteful number, since it uses less digits than its factorization.

242323140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038731 (or 4038729 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 242323140 is about 15566.7318342676. The cubic root of 242323140 is about 623.4452149032.

Adding to 242323140 its reverse (41323242), we get a palindrome (283646382).

It can be divided in two parts, 24232 and 3140, that added together give a palindrome (27372).

The spelling of 242323140 in words is "two hundred forty-two million, three hundred twenty-three thousand, one hundred forty".