325643615123 has 4 divisors (see below), whose sum is σ = 325780385088. Its totient is φ = 325506845160.

The previous prime is 325643615111. The next prime is 325643615131. The reversal of 325643615123 is 321516346523.

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 325643615123 - 2³² = 321348647827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325643614123) 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, 68381411 + ... + 68386172.

It is an arithmetic number, because the mean of its divisors is an integer number (81445096272).

Almost surely, 2^325643615123 is an apocalyptic number.

325643615123 is a deficient number, since it is larger than the sum of its proper divisors (136769965).

325643615123 is a wasteful number, since it uses less digits than its factorization.

325643615123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136769964.

The product of its digits is 388800, while the sum is 41.

The spelling of 325643615123 in words is "three hundred twenty-five billion, six hundred forty-three million, six hundred fifteen thousand, one hundred twenty-three".