243142340120 has 32 divisors (see below), whose sum is σ = 547466530320. Its totient is φ = 97186488960.

The previous prime is 243142340107. The next prime is 243142340131. The reversal of 243142340120 is 21043241342.

It is a super-2 number, since 2×243142340120² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243142340120.

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, 2145542 + ... + 2256021.

Almost surely, 2^243142340120 is an apocalyptic number.

243142340120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243142340120 is an abundant number, since it is smaller than the sum of its proper divisors (304324190200).

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

243142340120 is a wasteful number, since it uses less digits than its factorization.

243142340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402955 (or 4402951 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 243142340120 its reverse (21043241342), we get a palindrome (264185581462).

The spelling of 243142340120 in words is "two hundred forty-three billion, one hundred forty-two million, three hundred forty thousand, one hundred twenty".