25431223463 has 8 divisors (see below), whose sum is σ = 26147639616. Its totient is φ = 24719385600.

The previous prime is 25431223403. The next prime is 25431223471. The reversal of 25431223463 is 36432213452.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25431223463 - 2²⁴ = 25414446247 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 (25431223403) 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, 1133306 + ... + 1155527.

It is an arithmetic number, because the mean of its divisors is an integer number (3268454952).

Almost surely, 2^25431223463 is an apocalyptic number.

25431223463 is a deficient number, since it is larger than the sum of its proper divisors (716416153).

25431223463 is a wasteful number, since it uses less digits than its factorization.

25431223463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289145.

The product of its digits is 103680, while the sum is 35.

The spelling of 25431223463 in words is "twenty-five billion, four hundred thirty-one million, two hundred twenty-three thousand, four hundred sixty-three".