423034310421 has 8 divisors (see below), whose sum is σ = 626717496960. Its totient is φ = 282022873596.

The previous prime is 423034310407. The next prime is 423034310473. The reversal of 423034310421 is 124013430324.

423034310421 is a `hidden beast` number, since 4 + 2 + 303 + 4 + 310 + 42 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-423034310421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15667937423 = 423034310421 / (4 + 2 + 3 + 0 + 3 + 4 + 3 + 1 + 0 + 4 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423034310021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7833968685 + ... + 7833968738.

It is an arithmetic number, because the mean of its divisors is an integer number (78339687120).

Almost surely, 2^423034310421 is an apocalyptic number.

It is an amenable number.

423034310421 is a deficient number, since it is larger than the sum of its proper divisors (203683186539).

423034310421 is a wasteful number, since it uses less digits than its factorization.

423034310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15667937432 (or 15667937426 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 423034310421 its reverse (124013430324), we get a palindrome (547047740745).

The spelling of 423034310421 in words is "four hundred twenty-three billion, thirty-four million, three hundred ten thousand, four hundred twenty-one".