421410410423 has 4 divisors (see below), whose sum is σ = 421443292008. Its totient is φ = 421377528840.

The previous prime is 421410410419. The next prime is 421410410471. The reversal of 421410410423 is 324014014124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421410410423 - 2² = 421410410419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421410410392 and 421410410401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421410410483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16421561 + ... + 16447202.

It is an arithmetic number, because the mean of its divisors is an integer number (105360823002).

Almost surely, 2^421410410423 is an apocalyptic number.

421410410423 is a deficient number, since it is larger than the sum of its proper divisors (32881585).

421410410423 is a wasteful number, since it uses less digits than its factorization.

421410410423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32881584.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 421410410423 its reverse (324014014124), we get a palindrome (745424424547).

The spelling of 421410410423 in words is "four hundred twenty-one billion, four hundred ten million, four hundred ten thousand, four hundred twenty-three".