423341021420401 has 6 divisors (see below), whose sum is σ = 492457922876850. Its totient is φ = 362863732646016.

The previous prime is 423341021420363. The next prime is 423341021420437. The reversal of 423341021420401 is 104024120143324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 423325522415376 + 15499005025 = 20574876^2 + 124495^2 .

It is not a de Polignac number, because 423341021420401 - 2²⁵ = 423340987865969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423341021420101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4319806340976 + ... + 4319806341073.

It is an arithmetic number, because the mean of its divisors is an integer number (82076320479475).

Almost surely, 2^{423341021420401} is an apocalyptic number.

It is an amenable number.

423341021420401 is a deficient number, since it is larger than the sum of its proper divisors (69116901456449).

423341021420401 is an equidigital number, since it uses as much as digits as its factorization.

423341021420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639612682063 (or 8639612682056 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 423341021420401 its reverse (104024120143324), we get a palindrome (527365141563725).

The spelling of 423341021420401 in words is "four hundred twenty-three trillion, three hundred forty-one billion, twenty-one million, four hundred twenty thousand, four hundred one".