23225403420525 has 24 divisors (see below), whose sum is σ = 38399784773344. Its totient is φ = 12386736302400.

The previous prime is 23225403420511. The next prime is 23225403420581. The reversal of 23225403420525 is 52502430452232.

It is not a de Polignac number, because 23225403420525 - 2¹⁵ = 23225403387757 is a prime.

It is a super-2 number, since 2×23225403420525² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4765407 + ... + 8316243.

Almost surely, 2^{23225403420525} is an apocalyptic number.

23225403420525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23225403420525 is a deficient number, since it is larger than the sum of its proper divisors (15174381352819).

23225403420525 is a wasteful number, since it uses less digits than its factorization.

23225403420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638061 (or 3638056 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 23225403420525 its reverse (52502430452232), we get a palindrome (75727833872757).

The spelling of 23225403420525 in words is "twenty-three trillion, two hundred twenty-five billion, four hundred three million, four hundred twenty thousand, five hundred twenty-five".