423124402423 has 4 divisors (see below), whose sum is σ = 431107881768. Its totient is φ = 415140923080.

The previous prime is 423124402403. The next prime is 423124402453. The reversal of 423124402423 is 324204421324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423124402423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423124402403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3991739593 + ... + 3991739698.

It is an arithmetic number, because the mean of its divisors is an integer number (107776970442).

Almost surely, 2^423124402423 is an apocalyptic number.

423124402423 is a deficient number, since it is larger than the sum of its proper divisors (7983479345).

423124402423 is an equidigital number, since it uses as much as digits as its factorization.

423124402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983479344.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 423124402423 its reverse (324204421324), we get a palindrome (747328823747).

The spelling of 423124402423 in words is "four hundred twenty-three billion, one hundred twenty-four million, four hundred two thousand, four hundred twenty-three".