424313131123 has 4 divisors (see below), whose sum is σ = 484929292720. Its totient is φ = 363696969528.

The previous prime is 424313131111. The next prime is 424313131127. The reversal of 424313131123 is 321131313424.

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

It is a cyclic number.

It is not a de Polignac number, because 424313131123 - 2⁹ = 424313130611 is a prime.

It is a super-2 number, since 2×424313131123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424313131091 and 424313131100.

It is not an unprimeable number, because it can be changed into a prime (424313131127) 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, 30308080788 + ... + 30308080801.

It is an arithmetic number, because the mean of its divisors is an integer number (121232323180).

Almost surely, 2^424313131123 is an apocalyptic number.

424313131123 is a deficient number, since it is larger than the sum of its proper divisors (60616161597).

424313131123 is an equidigital number, since it uses as much as digits as its factorization.

424313131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60616161596.

The product of its digits is 5184, while the sum is 28.

Adding to 424313131123 its reverse (321131313424), we get a palindrome (745444444547).

The spelling of 424313131123 in words is "four hundred twenty-four billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-three".