23335404525 has 36 divisors (see below), whose sum is σ = 41804511840. Its totient is φ = 12443104800.

The previous prime is 23335404431. The next prime is 23335404527. The reversal of 23335404525 is 52540453332.

23335404525 is a `hidden beast` number, since 23 + 33 + 540 + 45 + 25 = 666.

It is not a de Polignac number, because 23335404525 - 2⁹ = 23335404013 is a prime.

It is a super-2 number, since 2×23335404525² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23335404525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23335404527) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2253610 + ... + 2263940.

It is an arithmetic number, because the mean of its divisors is an integer number (1161236440).

Almost surely, 2^23335404525 is an apocalyptic number.

23335404525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23335404525 is a deficient number, since it is larger than the sum of its proper divisors (18469107315).

23335404525 is a wasteful number, since it uses less digits than its factorization.

23335404525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20386 (or 20378 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 23335404525 its reverse (52540453332), we get a palindrome (75875857857).

The spelling of 23335404525 in words is "twenty-three billion, three hundred thirty-five million, four hundred four thousand, five hundred twenty-five".