25143704423 has 8 divisors (see below), whose sum is σ = 25869152688. Its totient is φ = 24420671424.

The previous prime is 25143704419. The next prime is 25143704441. The reversal of 25143704423 is 32440734152.

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 25143704423 - 2² = 25143704419 is a prime.

It is a super-2 number, since 2×25143704423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25143704623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582686 + ... + 624347.

It is an arithmetic number, because the mean of its divisors is an integer number (3233644086).

Almost surely, 2^25143704423 is an apocalyptic number.

25143704423 is a deficient number, since it is larger than the sum of its proper divisors (725448265).

25143704423 is a wasteful number, since it uses less digits than its factorization.

25143704423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207633.

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 25143704423 in words is "twenty-five billion, one hundred forty-three million, seven hundred four thousand, four hundred twenty-three".