25632123 has 16 divisors (see below), whose sum is σ = 37842816. Its totient is φ = 15301440.

The previous prime is 25632109. The next prime is 25632151. The reversal of 25632123 is 32123652.

It is not a de Polignac number, because 25632123 - 2⁵ = 25632091 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 25632093 and 25632102.

It is not an unprimeable number, because it can be changed into a prime (25632163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (2365176).

Almost surely, 2^25632123 is an apocalyptic number.

25632123 is a deficient number, since it is larger than the sum of its proper divisors (12210693).

25632123 is a wasteful number, since it uses less digits than its factorization.

25632123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11674.

The product of its digits is 2160, while the sum is 24.

The square root of 25632123 is about 5062.8176937354. The cubic root of 25632123 is about 294.8457414324.

Adding to 25632123 its reverse (32123652), we get a palindrome (57755775).

The spelling of 25632123 in words is "twenty-five million, six hundred thirty-two thousand, one hundred twenty-three".