25505344432323 has 12 divisors (see below), whose sum is σ = 42104060650288. Its totient is φ = 14574482532720.

The previous prime is 25505344432303. The next prime is 25505344432339. The reversal of 25505344432323 is 32323444350552.

25505344432323 is a `hidden beast` number, since 2 + 5 + 50 + 534 + 4 + 4 + 32 + 32 + 3 = 666.

It is not a de Polignac number, because 25505344432323 - 2¹⁰ = 25505344431299 is a prime.

It is a super-3 number, since 3×25505344432323³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (25505344432303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202423368448 + ... + 202423368573.

Almost surely, 2^{25505344432323} is an apocalyptic number.

25505344432323 is a deficient number, since it is larger than the sum of its proper divisors (16598716217965).

25505344432323 is a wasteful number, since it uses less digits than its factorization.

25505344432323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404846737034 (or 404846737031 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 45.

Adding to 25505344432323 its reverse (32323444350552), we get a palindrome (57828788782875).

The spelling of 25505344432323 in words is "twenty-five trillion, five hundred five billion, three hundred forty-four million, four hundred thirty-two thousand, three hundred twenty-three".