431234242123 has 2 divisors, whose sum is σ = 431234242124. Its totient is φ = 431234242122.

The previous prime is 431234242081. The next prime is 431234242133. The reversal of 431234242123 is 321242432134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431234242123 is a prime.

It is a super-3 number, since 3×431234242123³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (431234242133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215617121061 + 215617121062.

It is an arithmetic number, because the mean of its divisors is an integer number (215617121062).

Almost surely, 2^431234242123 is an apocalyptic number.

431234242123 is a deficient number, since it is larger than the sum of its proper divisors (1).

431234242123 is an equidigital number, since it uses as much as digits as its factorization.

431234242123 is an evil number, because the sum of its binary digits is even.

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

Adding to 431234242123 its reverse (321242432134), we get a palindrome (752476674257).

The spelling of 431234242123 in words is "four hundred thirty-one billion, two hundred thirty-four million, two hundred forty-two thousand, one hundred twenty-three".