325638123 has 4 divisors (see below), whose sum is σ = 434184168. Its totient is φ = 217092080.

The previous prime is 325638121. The next prime is 325638127. The reversal of 325638123 is 321836523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321836523 = 3 ⋅107278841.

It is a cyclic number.

It is not a de Polignac number, because 325638123 - 2¹ = 325638121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (325638121) 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, 54273018 + ... + 54273023.

It is an arithmetic number, because the mean of its divisors is an integer number (108546042).

Almost surely, 2^325638123 is an apocalyptic number.

325638123 is a deficient number, since it is larger than the sum of its proper divisors (108546045).

325638123 is a wasteful number, since it uses less digits than its factorization.

325638123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108546044.

The product of its digits is 25920, while the sum is 33.

The square root of 325638123 is about 18045.4460460250. The cubic root of 325638123 is about 687.9841204139.

The spelling of 325638123 in words is "three hundred twenty-five million, six hundred thirty-eight thousand, one hundred twenty-three".