424252111123 has 2 divisors, whose sum is σ = 424252111124. Its totient is φ = 424252111122.

The previous prime is 424252111109. The next prime is 424252111189. The reversal of 424252111123 is 321111252424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424252111123 - 2⁵ = 424252111091 is a prime.

It is a super-2 number, since 2×424252111123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424252111091 and 424252111100.

It is not a weakly prime, because it can be changed into another prime (424252111523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212126055561 + 212126055562.

It is an arithmetic number, because the mean of its divisors is an integer number (212126055562).

Almost surely, 2^424252111123 is an apocalyptic number.

424252111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

424252111123 is an equidigital number, since it uses as much as digits as its factorization.

424252111123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

Adding to 424252111123 its reverse (321111252424), we get a palindrome (745363363547).

The spelling of 424252111123 in words is "four hundred twenty-four billion, two hundred fifty-two million, one hundred eleven thousand, one hundred twenty-three".