25011423 has 30 divisors (see below), whose sum is σ = 38480904. Its totient is φ = 16188984.

The previous prime is 25011421. The next prime is 25011433. The reversal of 25011423 is 32411052.

It is not a de Polignac number, because 25011423 - 2¹ = 25011421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25011396 and 25011405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25011421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 149686 + ... + 149852.

Almost surely, 2^25011423 is an apocalyptic number.

25011423 is a deficient number, since it is larger than the sum of its proper divisors (13469481).

25011423 is an equidigital number, since it uses as much as digits as its factorization.

25011423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25011423 is about 5001.1421695449. The cubic root of 25011423 is about 292.4463017796.

Adding to 25011423 its reverse (32411052), we get a palindrome (57422475).

The spelling of 25011423 in words is "twenty-five million, eleven thousand, four hundred twenty-three".