25424123 has 4 divisors (see below), whose sum is σ = 26244288. Its totient is φ = 24603960.

The previous prime is 25424111. The next prime is 25424149. The reversal of 25424123 is 32142452.

It is a happy number.

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 25424123 - 2⁴ = 25424107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25424173) 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, 410036 + ... + 410097.

It is an arithmetic number, because the mean of its divisors is an integer number (6561072).

Almost surely, 2^25424123 is an apocalyptic number.

25424123 is a deficient number, since it is larger than the sum of its proper divisors (820165).

25424123 is an equidigital number, since it uses as much as digits as its factorization.

25424123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820164.

The product of its digits is 1920, while the sum is 23.

The square root of 25424123 is about 5042.2339295197. The cubic root of 25424123 is about 294.0460345642.

Adding to 25424123 its reverse (32142452), we get a palindrome (57566575).

The spelling of 25424123 in words is "twenty-five million, four hundred twenty-four thousand, one hundred twenty-three".