420431200403 has 2 divisors, whose sum is σ = 420431200404. Its totient is φ = 420431200402.

The previous prime is 420431200373. The next prime is 420431200417. The reversal of 420431200403 is 304002134024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420431200403 - 2⁶ = 420431200339 is a prime.

It is not a weakly prime, because it can be changed into another prime (420431200433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210215600201 + 210215600202.

It is an arithmetic number, because the mean of its divisors is an integer number (210215600202).

Almost surely, 2^420431200403 is an apocalyptic number.

420431200403 is a deficient number, since it is larger than the sum of its proper divisors (1).

420431200403 is an equidigital number, since it uses as much as digits as its factorization.

420431200403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 420431200403 its reverse (304002134024), we get a palindrome (724433334427).

The spelling of 420431200403 in words is "four hundred twenty billion, four hundred thirty-one million, two hundred thousand, four hundred three".