243030023 has 8 divisors (see below), whose sum is σ = 255404688. Its totient is φ = 230961024.

The previous prime is 243030019. The next prime is 243030031. The reversal of 243030023 is 320030342.

243030023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243030023 - 2² = 243030019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243029983 and 243030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243030013) 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, 74786 + ... + 77967.

It is an arithmetic number, because the mean of its divisors is an integer number (31925586).

Almost surely, 2^243030023 is an apocalyptic number.

243030023 is a deficient number, since it is larger than the sum of its proper divisors (12374665).

243030023 is a wasteful number, since it uses less digits than its factorization.

243030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152833.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 243030023 is about 15589.4202265511. The cubic root of 243030023 is about 624.0508455925.

Adding to 243030023 its reverse (320030342), we get a palindrome (563060365).

The spelling of 243030023 in words is "two hundred forty-three million, thirty thousand, twenty-three".