25034504423 has 4 divisors (see below), whose sum is σ = 25277557968. Its totient is φ = 24791450880.

The previous prime is 25034504389. The next prime is 25034504479. The reversal of 25034504423 is 32440543052.

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 25034504423 - 2⁸ = 25034504167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25034504423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25034504483) 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, 121526618 + ... + 121526823.

It is an arithmetic number, because the mean of its divisors is an integer number (6319389492).

Almost surely, 2^25034504423 is an apocalyptic number.

25034504423 is a deficient number, since it is larger than the sum of its proper divisors (243053545).

25034504423 is a wasteful number, since it uses less digits than its factorization.

25034504423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243053544.

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 25034504423 in words is "twenty-five billion, thirty-four million, five hundred four thousand, four hundred twenty-three".