25412423523 has 4 divisors (see below), whose sum is σ = 33883231368. Its totient is φ = 16941615680.

The previous prime is 25412423503. The next prime is 25412423573. The reversal of 25412423523 is 32532421452.

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 25412423523 - 2¹³ = 25412415331 is a prime.

It is a super-3 number, since 3×25412423523³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25412423503) 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, 4235403918 + ... + 4235403923.

It is an arithmetic number, because the mean of its divisors is an integer number (8470807842).

Almost surely, 2^25412423523 is an apocalyptic number.

25412423523 is a deficient number, since it is larger than the sum of its proper divisors (8470807845).

25412423523 is an equidigital number, since it uses as much as digits as its factorization.

25412423523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470807844.

The product of its digits is 57600, while the sum is 33.

Adding to 25412423523 its reverse (32532421452), we get a palindrome (57944844975).

The spelling of 25412423523 in words is "twenty-five billion, four hundred twelve million, four hundred twenty-three thousand, five hundred twenty-three".