325123478447 has 2 divisors, whose sum is σ = 325123478448. Its totient is φ = 325123478446.

The previous prime is 325123478419. The next prime is 325123478501. The reversal of 325123478447 is 744874321523.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325123478447 - 2²⁰ = 325122429871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 325123478395 and 325123478404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325123478047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162561739223 + 162561739224.

It is an arithmetic number, because the mean of its divisors is an integer number (162561739224).

Almost surely, 2^325123478447 is an apocalyptic number.

325123478447 is a deficient number, since it is larger than the sum of its proper divisors (1).

325123478447 is an equidigital number, since it uses as much as digits as its factorization.

325123478447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 50.

The spelling of 325123478447 in words is "three hundred twenty-five billion, one hundred twenty-three million, four hundred seventy-eight thousand, four hundred forty-seven".