23125340025440 has 24 divisors (see below), whose sum is σ = 54633615810480. Its totient is φ = 9250136010112.

The previous prime is 23125340025367. The next prime is 23125340025443. The reversal of 23125340025440 is 4452004352132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23125340025440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125340025443) 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, 72266687420 + ... + 72266687739.

It is an arithmetic number, because the mean of its divisors is an integer number (2276400658770).

Almost surely, 2^{23125340025440} is an apocalyptic number.

23125340025440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23125340025440 is an abundant number, since it is smaller than the sum of its proper divisors (31508275785040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23125340025440 is a wasteful number, since it uses less digits than its factorization.

23125340025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144533375174 (or 144533375166 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 23125340025440 its reverse (4452004352132), we get a palindrome (27577344377572).

The spelling of 23125340025440 in words is "twenty-three trillion, one hundred twenty-five billion, three hundred forty million, twenty-five thousand, four hundred forty".