243212030023 has 8 divisors (see below), whose sum is σ = 247344134400. Its totient is φ = 239080254648.

The previous prime is 243212029997. The next prime is 243212030041. The reversal of 243212030023 is 320030212342.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243212030023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243212029976 and 243212030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243218030023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753890 + ... + 1887472.

It is an arithmetic number, because the mean of its divisors is an integer number (30918016800).

Almost surely, 2^243212030023 is an apocalyptic number.

243212030023 is a deficient number, since it is larger than the sum of its proper divisors (4132104377).

243212030023 is a wasteful number, since it uses less digits than its factorization.

243212030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164501.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 243212030023 its reverse (320030212342), we get a palindrome (563242242365).

The spelling of 243212030023 in words is "two hundred forty-three billion, two hundred twelve million, thirty thousand, twenty-three".