242726023 has 2 divisors, whose sum is σ = 242726024. Its totient is φ = 242726022.

The previous prime is 242726021. The next prime is 242726039. The reversal of 242726023 is 320627242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242726023 - 2¹ = 242726021 is a prime.

Together with 242726021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 242725982 and 242726000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242726021) 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 as a sum of consecutive naturals, namely, 121363011 + 121363012.

It is an arithmetic number, because the mean of its divisors is an integer number (121363012).

Almost surely, 2^242726023 is an apocalyptic number.

242726023 is a deficient number, since it is larger than the sum of its proper divisors (1).

242726023 is an equidigital number, since it uses as much as digits as its factorization.

242726023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 242726023 is about 15579.6669733342. Note that the first 3 decimals coincide. The cubic root of 242726023 is about 623.7905339768.

The spelling of 242726023 in words is "two hundred forty-two million, seven hundred twenty-six thousand, twenty-three".