25653123 has 12 divisors (see below), whose sum is σ = 37662768. Its totient is φ = 16821360.

The previous prime is 25653109. The next prime is 25653137. The reversal of 25653123 is 32135652.

25653123 is a `hidden beast` number, since 2 + 5 + 653 + 1 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (25653109) and next prime (25653137).

It is not a de Polignac number, because 25653123 - 2⁴ = 25653107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25653163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22815 + ... + 23912.

It is an arithmetic number, because the mean of its divisors is an integer number (3138564).

Almost surely, 2^25653123 is an apocalyptic number.

25653123 is a deficient number, since it is larger than the sum of its proper divisors (12009645).

25653123 is a wasteful number, since it uses less digits than its factorization.

25653123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46794 (or 46791 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 25653123 is about 5064.8912130469. The cubic root of 25653123 is about 294.9262402971.

Adding to 25653123 its reverse (32135652), we get a palindrome (57788775).

The spelling of 25653123 in words is "twenty-five million, six hundred fifty-three thousand, one hundred twenty-three".