25012332823 has 4 divisors (see below), whose sum is σ = 25422371128. Its totient is φ = 24602294520.

The previous prime is 25012332799. The next prime is 25012332833. The reversal of 25012332823 is 32823321052.

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 25012332823 - 2⁵ = 25012332791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25012332833) 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, 205019061 + ... + 205019182.

It is an arithmetic number, because the mean of its divisors is an integer number (6355592782).

Almost surely, 2^25012332823 is an apocalyptic number.

25012332823 is a deficient number, since it is larger than the sum of its proper divisors (410038305).

25012332823 is an equidigital number, since it uses as much as digits as its factorization.

25012332823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410038304.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 25012332823 its reverse (32823321052), we get a palindrome (57835653875).

The spelling of 25012332823 in words is "twenty-five billion, twelve million, three hundred thirty-two thousand, eight hundred twenty-three".