242427623 has 2 divisors, whose sum is σ = 242427624. Its totient is φ = 242427622.

The previous prime is 242427611. The next prime is 242427649. The reversal of 242427623 is 326724242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242427623 - 2¹⁰ = 242426599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242427623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242427923) 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, 121213811 + 121213812.

It is an arithmetic number, because the mean of its divisors is an integer number (121213812).

Almost surely, 2^242427623 is an apocalyptic number.

242427623 is a deficient number, since it is larger than the sum of its proper divisors (1).

242427623 is an equidigital number, since it uses as much as digits as its factorization.

242427623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 32.

The square root of 242427623 is about 15570.0874435566. The cubic root of 242427623 is about 623.5348061084.

The spelling of 242427623 in words is "two hundred forty-two million, four hundred twenty-seven thousand, six hundred twenty-three".