25100423 has 2 divisors, whose sum is σ = 25100424. Its totient is φ = 25100422.

The previous prime is 25100401. The next prime is 25100443. The reversal of 25100423 is 32400152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25100423 - 2²⁰ = 24051847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25100443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550211 + 12550212.

It is an arithmetic number, because the mean of its divisors is an integer number (12550212).

Almost surely, 2^25100423 is an apocalyptic number.

25100423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25100423 is an equidigital number, since it uses as much as digits as its factorization.

25100423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25100423 is about 5010.0322354252. The cubic root of 25100423 is about 292.7927689334.

Adding to 25100423 its reverse (32400152), we get a palindrome (57500575).

The spelling of 25100423 in words is "twenty-five million, one hundred thousand, four hundred twenty-three".