243533036023 has 4 divisors (see below), whose sum is σ = 243765194400. Its totient is φ = 243300877648.

The previous prime is 243533035981. The next prime is 243533036041. The reversal of 243533036023 is 320630335342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243533036023 is a prime.

It is a super-3 number, since 3×243533036023³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243533036023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243533036063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116077615 + ... + 116079712.

It is an arithmetic number, because the mean of its divisors is an integer number (60941298600).

Almost surely, 2^243533036023 is an apocalyptic number.

243533036023 is a deficient number, since it is larger than the sum of its proper divisors (232158377).

243533036023 is a wasteful number, since it uses less digits than its factorization.

243533036023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232158376.

The product of its (nonzero) digits is 116640, while the sum is 34.

The spelling of 243533036023 in words is "two hundred forty-three billion, five hundred thirty-three million, thirty-six thousand, twenty-three".