25354995423 has 16 divisors (see below), whose sum is σ = 37029610080. Its totient is φ = 15360429056.

The previous prime is 25354995377. The next prime is 25354995467. The reversal of 25354995423 is 32459945352.

It is a cyclic number.

It is not a de Polignac number, because 25354995423 - 2⁶ = 25354995359 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25354995223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8570190 + ... + 8573147.

It is an arithmetic number, because the mean of its divisors is an integer number (2314350630).

Almost surely, 2^25354995423 is an apocalyptic number.

25354995423 is a deficient number, since it is larger than the sum of its proper divisors (11674614657).

25354995423 is a wasteful number, since it uses less digits than its factorization.

25354995423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143386.

The product of its digits is 5832000, while the sum is 51.

The spelling of 25354995423 in words is "twenty-five billion, three hundred fifty-four million, nine hundred ninety-five thousand, four hundred twenty-three".