243033011423 has 2 divisors, whose sum is σ = 243033011424. Its totient is φ = 243033011422.

The previous prime is 243033011363. The next prime is 243033011461. The reversal of 243033011423 is 324110330342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243033011423 - 2¹⁴ = 243032995039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243033011392 and 243033011401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243033016423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121516505711 + 121516505712.

It is an arithmetic number, because the mean of its divisors is an integer number (121516505712).

Almost surely, 2^243033011423 is an apocalyptic number.

243033011423 is a deficient number, since it is larger than the sum of its proper divisors (1).

243033011423 is an equidigital number, since it uses as much as digits as its factorization.

243033011423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 243033011423 its reverse (324110330342), we get a palindrome (567143341765).

The spelling of 243033011423 in words is "two hundred forty-three billion, thirty-three million, eleven thousand, four hundred twenty-three".