243013023 has 24 divisors (see below), whose sum is σ = 383881680. Its totient is φ = 146914560.

The previous prime is 243013019. The next prime is 243013031. The reversal of 243013023 is 320310342.

It is not a de Polignac number, because 243013023 - 2² = 243013019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243012987 and 243013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243013013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40033 + ... + 45701.

It is an arithmetic number, because the mean of its divisors is an integer number (15995070).

Almost surely, 2^243013023 is an apocalyptic number.

243013023 is a deficient number, since it is larger than the sum of its proper divisors (140868657).

243013023 is a wasteful number, since it uses less digits than its factorization.

243013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119 (or 6116 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 243013023 is about 15588.8749754432. The cubic root of 243013023 is about 624.0362944249.

Adding to 243013023 its reverse (320310342), we get a palindrome (563323365).

The spelling of 243013023 in words is "two hundred forty-three million, thirteen thousand, twenty-three".