242400443 has 2 divisors, whose sum is σ = 242400444. Its totient is φ = 242400442.

The previous prime is 242400401. The next prime is 242400463. The reversal of 242400443 is 344004242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242400443 - 2¹⁶ = 242334907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (242400463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121200221 + 121200222.

It is an arithmetic number, because the mean of its divisors is an integer number (121200222).

Almost surely, 2^242400443 is an apocalyptic number.

242400443 is a deficient number, since it is larger than the sum of its proper divisors (1).

242400443 is an equidigital number, since it uses as much as digits as its factorization.

242400443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 242400443 is about 15569.2145916228. The cubic root of 242400443 is about 623.5115025079.

Adding to 242400443 its reverse (344004242), we get a palindrome (586404685).

The spelling of 242400443 in words is "two hundred forty-two million, four hundred thousand, four hundred forty-three".