423420333424121 has 32 divisors (see below), whose sum is σ = 499496528033280. Its totient is φ = 354572312371200.

The previous prime is 423420333424091. The next prime is 423420333424141. The reversal of 423420333424121 is 121424333024324.

It is not a de Polignac number, because 423420333424121 - 2¹⁴ = 423420333407737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423420333424141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879793211 + ... + 880274351.

It is an arithmetic number, because the mean of its divisors is an integer number (15609266501040).

Almost surely, 2^{423420333424121} is an apocalyptic number.

It is an amenable number.

423420333424121 is a deficient number, since it is larger than the sum of its proper divisors (76076194609159).

423420333424121 is a wasteful number, since it uses less digits than its factorization.

423420333424121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581345.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 423420333424121 its reverse (121424333024324), we get a palindrome (544844666448445).

The spelling of 423420333424121 in words is "four hundred twenty-three trillion, four hundred twenty billion, three hundred thirty-three million, four hundred twenty-four thousand, one hundred twenty-one".