13423431120025 has 12 divisors (see below), whose sum is σ = 17051031531324. Its totient is φ = 10476824288000.

The previous prime is 13423431119993. The next prime is 13423431120031. The reversal of 13423431120025 is 52002113432431.

It can be written as a sum of positive squares in 6 ways, for example, as 270536257161 + 13152894862864 = 520131^2 + 3626692^2 .

It is not a de Polignac number, because 13423431120025 - 2⁵ = 13423431119993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6548014156 + ... + 6548016205.

It is an arithmetic number, because the mean of its divisors is an integer number (1420919294277).

Almost surely, 2^{13423431120025} is an apocalyptic number.

It is an amenable number.

13423431120025 is a deficient number, since it is larger than the sum of its proper divisors (3627600411299).

13423431120025 is a wasteful number, since it uses less digits than its factorization.

13423431120025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096030412 (or 13096030407 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 13423431120025 its reverse (52002113432431), we get a palindrome (65425544552456).

The spelling of 13423431120025 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-one million, one hundred twenty thousand, twenty-five".