243233122142500 has 120 divisors (see below), whose sum is σ = 608153425259072. Its totient is φ = 83357830512000.

The previous prime is 243233122142497. The next prime is 243233122142519. The reversal of 243233122142500 is 5241221332342.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37096747 + ... + 43158253.

Almost surely, 2^{243233122142500} is an apocalyptic number.

243233122142500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243233122142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304076712629536).

243233122142500 is an abundant number, since it is smaller than the sum of its proper divisors (364920303116572).

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

243233122142500 is a wasteful number, since it uses less digits than its factorization.

243233122142500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063831 (or 6063814 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 243233122142500 its reverse (5241221332342), we get a palindrome (248474343474842).

The spelling of 243233122142500 in words is "two hundred forty-three trillion, two hundred thirty-three billion, one hundred twenty-two million, one hundred forty-two thousand, five hundred".