13195425123 has 18 divisors (see below), whose sum is σ = 19768669284. Its totient is φ = 8795756304.

The previous prime is 13195425119. The next prime is 13195425137. The reversal of 13195425123 is 32152459131.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

13195425123 is a `hidden beast` number, since 13 + 1 + 95 + 42 + 512 + 3 = 666.

It is not a de Polignac number, because 13195425123 - 2² = 13195425119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13195421123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1786983 + ... + 1794351.

Almost surely, 2^13195425123 is an apocalyptic number.

13195425123 is a deficient number, since it is larger than the sum of its proper divisors (6573244161).

13195425123 is an frugal number, since it uses more digits than its factorization.

13195425123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14753 (or 7372 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The spelling of 13195425123 in words is "thirteen billion, one hundred ninety-five million, four hundred twenty-five thousand, one hundred twenty-three".