423421404411 has 16 divisors (see below), whose sum is σ = 586632992768. Its totient is φ = 271365984000.

The previous prime is 423421404401. The next prime is 423421404443. The reversal of 423421404411 is 114404124324.

It is a happy number.

It is not a de Polignac number, because 423421404411 - 2⁷ = 423421404283 is a prime.

It is a super-2 number, since 2×423421404411² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423421404401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15061846 + ... + 15089931.

It is an arithmetic number, because the mean of its divisors is an integer number (36664562048).

Almost surely, 2^423421404411 is an apocalyptic number.

423421404411 is a deficient number, since it is larger than the sum of its proper divisors (163211588357).

423421404411 is a wasteful number, since it uses less digits than its factorization.

423421404411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30151962.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 423421404411 its reverse (114404124324), we get a palindrome (537825528735).

The spelling of 423421404411 in words is "four hundred twenty-three billion, four hundred twenty-one million, four hundred four thousand, four hundred eleven".