25322123 has 4 divisors (see below), whose sum is σ = 25340640. Its totient is φ = 25303608.

The previous prime is 25322113. The next prime is 25322147. The reversal of 25322123 is 32122352.

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 25322123 - 2⁸ = 25321867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25322095 and 25322104.

It is not an unprimeable number, because it can be changed into a prime (25322113) 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, 7028 + ... + 10001.

It is an arithmetic number, because the mean of its divisors is an integer number (6335160).

Almost surely, 2^25322123 is an apocalyptic number.

25322123 is a deficient number, since it is larger than the sum of its proper divisors (18517).

25322123 is a wasteful number, since it uses less digits than its factorization.

25322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18516.

The product of its digits is 720, while the sum is 20.

The square root of 25322123 is about 5032.1091999280. The cubic root of 25322123 is about 293.6522760490.

Adding to 25322123 its reverse (32122352), we get a palindrome (57444475).

The spelling of 25322123 in words is "twenty-five million, three hundred twenty-two thousand, one hundred twenty-three".