25366020423 has 8 divisors (see below), whose sum is σ = 33940871808. Its totient is φ = 16850924664.

The previous prime is 25366020409. The next prime is 25366020451. The reversal of 25366020423 is 32402066352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25366020423 - 2⁶ = 25366020359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25366020023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14937915 + ... + 14939612.

It is an arithmetic number, because the mean of its divisors is an integer number (4242608976).

Almost surely, 2^25366020423 is an apocalyptic number.

25366020423 is a deficient number, since it is larger than the sum of its proper divisors (8574851385).

25366020423 is a wasteful number, since it uses less digits than its factorization.

25366020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29877813.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 25366020423 its reverse (32402066352), we get a palindrome (57768086775).

The spelling of 25366020423 in words is "twenty-five billion, three hundred sixty-six million, twenty thousand, four hundred twenty-three".