420124311203 has 2 divisors, whose sum is σ = 420124311204. Its totient is φ = 420124311202.

The previous prime is 420124311197. The next prime is 420124311221. The reversal of 420124311203 is 302113421024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420124311203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (420124311263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210062155601 + 210062155602.

It is an arithmetic number, because the mean of its divisors is an integer number (210062155602).

Almost surely, 2^420124311203 is an apocalyptic number.

420124311203 is a deficient number, since it is larger than the sum of its proper divisors (1).

420124311203 is an equidigital number, since it uses as much as digits as its factorization.

420124311203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 420124311203 its reverse (302113421024), we get a palindrome (722237732227).

The spelling of 420124311203 in words is "four hundred twenty billion, one hundred twenty-four million, three hundred eleven thousand, two hundred three".