424131430123 has 4 divisors (see below), whose sum is σ = 424234604128. Its totient is φ = 424028256120.

The previous prime is 424131430109. The next prime is 424131430153. The reversal of 424131430123 is 321034131424.

It is a happy number.

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 424131430123 - 2²¹ = 424129332971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424131430091 and 424131430100.

It is not an unprimeable number, because it can be changed into a prime (424131430153) 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, 51580836 + ... + 51589057.

It is an arithmetic number, because the mean of its divisors is an integer number (106058651032).

Almost surely, 2^424131430123 is an apocalyptic number.

424131430123 is a deficient number, since it is larger than the sum of its proper divisors (103174005).

424131430123 is a wasteful number, since it uses less digits than its factorization.

424131430123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103174004.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 424131430123 its reverse (321034131424), we get a palindrome (745165561547).

The spelling of 424131430123 in words is "four hundred twenty-four billion, one hundred thirty-one million, four hundred thirty thousand, one hundred twenty-three".