23425141520 has 80 divisors (see below), whose sum is σ = 59726177280. Its totient is φ = 8473574400.

The previous prime is 23425141513. The next prime is 23425141567. The reversal of 23425141520 is 2514152432.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98396 + ... + 237764.

It is an arithmetic number, because the mean of its divisors is an integer number (746577216).

Almost surely, 2^23425141520 is an apocalyptic number.

23425141520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23425141520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29863088640).

23425141520 is an abundant number, since it is smaller than the sum of its proper divisors (36301035760).

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

23425141520 is a wasteful number, since it uses less digits than its factorization.

23425141520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139584 (or 139578 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 23425141520 its reverse (2514152432), we get a palindrome (25939293952).

The spelling of 23425141520 in words is "twenty-three billion, four hundred twenty-five million, one hundred forty-one thousand, five hundred twenty".