243243124051 has 8 divisors (see below), whose sum is σ = 244802073600. Its totient is φ = 241685393928.

The previous prime is 243243124021. The next prime is 243243124127. The reversal of 243243124051 is 150421342342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243243124051 - 2²⁵ = 243209569619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243243124021) 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, 97060 + ... + 704206.

It is an arithmetic number, because the mean of its divisors is an integer number (30600259200).

Almost surely, 2^243243124051 is an apocalyptic number.

243243124051 is a deficient number, since it is larger than the sum of its proper divisors (1558949549).

243243124051 is a wasteful number, since it uses less digits than its factorization.

243243124051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609713.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 243243124051 its reverse (150421342342), we get a palindrome (393664466393).

The spelling of 243243124051 in words is "two hundred forty-three billion, two hundred forty-three million, one hundred twenty-four thousand, fifty-one".