243245515223 has 8 divisors (see below), whose sum is σ = 266435250480. Its totient is φ = 221042577280.

The previous prime is 243245515211. The next prime is 243245515231. The reversal of 243245515223 is 322515542342.

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 243245515223 - 2¹⁰ = 243245514199 is a prime.

It is a super-2 number, since 2×243245515223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243245515273) 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, 246698813 + ... + 246699798.

It is an arithmetic number, because the mean of its divisors is an integer number (33304406310).

Almost surely, 2^243245515223 is an apocalyptic number.

243245515223 is a deficient number, since it is larger than the sum of its proper divisors (23189735257).

243245515223 is a wasteful number, since it uses less digits than its factorization.

243245515223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493398657.

The product of its digits is 288000, while the sum is 38.

The spelling of 243245515223 in words is "two hundred forty-three billion, two hundred forty-five million, five hundred fifteen thousand, two hundred twenty-three".