421312132303 has 2 divisors, whose sum is σ = 421312132304. Its totient is φ = 421312132302.

The previous prime is 421312132301. The next prime is 421312132337. The reversal of 421312132303 is 303231213124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421312132303 - 2¹ = 421312132301 is a prime.

Together with 421312132301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421312132301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210656066151 + 210656066152.

It is an arithmetic number, because the mean of its divisors is an integer number (210656066152).

Almost surely, 2^421312132303 is an apocalyptic number.

421312132303 is a deficient number, since it is larger than the sum of its proper divisors (1).

421312132303 is an equidigital number, since it uses as much as digits as its factorization.

421312132303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 421312132303 its reverse (303231213124), we get a palindrome (724543345427).

It can be divided in two parts, 4213121 and 32303, that added together give a palindrome (4245424).

The spelling of 421312132303 in words is "four hundred twenty-one billion, three hundred twelve million, one hundred thirty-two thousand, three hundred three".