243422783 has 2 divisors, whose sum is σ = 243422784. Its totient is φ = 243422782.

The previous prime is 243422749. The next prime is 243422801. The reversal of 243422783 is 387224342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243422783 - 2¹⁴ = 243406399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243422083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121711391 + 121711392.

It is an arithmetic number, because the mean of its divisors is an integer number (121711392).

Almost surely, 2^243422783 is an apocalyptic number.

243422783 is a deficient number, since it is larger than the sum of its proper divisors (1).

243422783 is an equidigital number, since it uses as much as digits as its factorization.

243422783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 35.

The square root of 243422783 is about 15602.0121458740. The cubic root of 243422783 is about 624.3868401460.

The spelling of 243422783 in words is "two hundred forty-three million, four hundred twenty-two thousand, seven hundred eighty-three".