423124234321 has 2 divisors, whose sum is σ = 423124234322. Its totient is φ = 423124234320.

The previous prime is 423124234289. The next prime is 423124234327. The reversal of 423124234321 is 123432421324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288041523025 + 135082711296 = 536695^2 + 367536^2 .

It is a cyclic number.

It is not a de Polignac number, because 423124234321 - 2⁵ = 423124234289 is a prime.

It is not a weakly prime, because it can be changed into another prime (423124234327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211562117160 + 211562117161.

It is an arithmetic number, because the mean of its divisors is an integer number (211562117161).

Almost surely, 2^423124234321 is an apocalyptic number.

It is an amenable number.

423124234321 is a deficient number, since it is larger than the sum of its proper divisors (1).

423124234321 is an equidigital number, since it uses as much as digits as its factorization.

423124234321 is an odious number, because the sum of its binary digits is odd.

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

Adding to 423124234321 its reverse (123432421324), we get a palindrome (546556655645).

The spelling of 423124234321 in words is "four hundred twenty-three billion, one hundred twenty-four million, two hundred thirty-four thousand, three hundred twenty-one".