243005306023 has 2 divisors, whose sum is σ = 243005306024. Its totient is φ = 243005306022.

The previous prime is 243005305987. The next prime is 243005306053. The reversal of 243005306023 is 320603500342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243005306023 - 2¹³ = 243005297831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243005305982 and 243005306000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243005306053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121502653011 + 121502653012.

It is an arithmetic number, because the mean of its divisors is an integer number (121502653012).

Almost surely, 2^243005306023 is an apocalyptic number.

243005306023 is a deficient number, since it is larger than the sum of its proper divisors (1).

243005306023 is an equidigital number, since it uses as much as digits as its factorization.

243005306023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 243005306023 its reverse (320603500342), we get a palindrome (563608806365).

The spelling of 243005306023 in words is "two hundred forty-three billion, five million, three hundred six thousand, twenty-three".