423124332421 has 16 divisors (see below), whose sum is σ = 512038800000. Its totient is φ = 341328798720.

The previous prime is 423124332419. The next prime is 423124332427. The reversal of 423124332421 is 124233421324.

It is not a de Polignac number, because 423124332421 - 2¹ = 423124332419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423124332427) 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, 3158205 + ... + 3289453.

It is an arithmetic number, because the mean of its divisors is an integer number (32002425000).

Almost surely, 2^423124332421 is an apocalyptic number.

It is an amenable number.

423124332421 is a deficient number, since it is larger than the sum of its proper divisors (88914467579).

423124332421 is a wasteful number, since it uses less digits than its factorization.

423124332421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158364.

The product of its digits is 27648, while the sum is 31.

Adding to 423124332421 its reverse (124233421324), we get a palindrome (547357753745).

The spelling of 423124332421 in words is "four hundred twenty-three billion, one hundred twenty-four million, three hundred thirty-two thousand, four hundred twenty-one".