243165023 has 8 divisors (see below), whose sum is σ = 251197440. Its totient is φ = 235144440.

The previous prime is 243164963. The next prime is 243165049. The reversal of 243165023 is 320561342.

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 243165023 - 2⁶ = 243164959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243164983 and 243165001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243165623) 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, 61286 + ... + 65132.

It is an arithmetic number, because the mean of its divisors is an integer number (31399680).

Almost surely, 2^243165023 is an apocalyptic number.

243165023 is a deficient number, since it is larger than the sum of its proper divisors (8032417).

243165023 is a wasteful number, since it uses less digits than its factorization.

243165023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 243165023 is about 15593.7494849699. The cubic root of 243165023 is about 624.1663748984.

The spelling of 243165023 in words is "two hundred forty-three million, one hundred sixty-five thousand, twenty-three".