245343431423203 has 2 divisors, whose sum is σ = 245343431423204. Its totient is φ = 245343431423202.

The previous prime is 245343431423201. The next prime is 245343431423273. The reversal of 245343431423203 is 302324134343542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245343431423203 - 2¹ = 245343431423201 is a prime.

Together with 245343431423201, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 245343431423203.

It is not a weakly prime, because it can be changed into another prime (245343431423201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671715711601 + 122671715711602.

It is an arithmetic number, because the mean of its divisors is an integer number (122671715711602).

Almost surely, 2^{245343431423203} is an apocalyptic number.

245343431423203 is a deficient number, since it is larger than the sum of its proper divisors (1).

245343431423203 is an equidigital number, since it uses as much as digits as its factorization.

245343431423203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 43.

Adding to 245343431423203 its reverse (302324134343542), we get a palindrome (547667565766745).

The spelling of 245343431423203 in words is "two hundred forty-five trillion, three hundred forty-three billion, four hundred thirty-one million, four hundred twenty-three thousand, two hundred three".