320253230426 has 4 divisors (see below), whose sum is σ = 480379845642. Its totient is φ = 160126615212.

The previous prime is 320253230419. The next prime is 320253230527. The reversal of 320253230426 is 624032352023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624032352023 = 244687 ⋅2550329.

It can be written as a sum of positive squares in only one way, i.e., 290720464225 + 29532766201 = 539185^2 + 171851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320253230392 and 320253230401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80063307605 + ... + 80063307608.

Almost surely, 2^320253230426 is an apocalyptic number.

320253230426 is a deficient number, since it is larger than the sum of its proper divisors (160126615216).

320253230426 is a wasteful number, since it uses less digits than its factorization.

320253230426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160126615215.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 320253230426 its reverse (624032352023), we get a palindrome (944285582449).

The spelling of 320253230426 in words is "three hundred twenty billion, two hundred fifty-three million, two hundred thirty thousand, four hundred twenty-six".