243452003 has 2 divisors, whose sum is σ = 243452004. Its totient is φ = 243452002.

The previous prime is 243451981. The next prime is 243452029. The reversal of 243452003 is 300254342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243452003 - 2¹² = 243447907 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243452003.

It is not a weakly prime, because it can be changed into another prime (243452063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121726001 + 121726002.

It is an arithmetic number, because the mean of its divisors is an integer number (121726002).

Almost surely, 2^243452003 is an apocalyptic number.

243452003 is a deficient number, since it is larger than the sum of its proper divisors (1).

243452003 is an equidigital number, since it uses as much as digits as its factorization.

243452003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 243452003 is about 15602.9485354532. The cubic root of 243452003 is about 624.4118225426.

The spelling of 243452003 in words is "two hundred forty-three million, four hundred fifty-two thousand, three".