23528247980 has 24 divisors (see below), whose sum is σ = 49415372160. Its totient is φ = 9410146560.

The previous prime is 23528247973. The next prime is 23528247983. The reversal of 23528247980 is 8974282532.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23528247983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 106085 + ... + 241475.

It is an arithmetic number, because the mean of its divisors is an integer number (2058973840).

Almost surely, 2^23528247980 is an apocalyptic number.

23528247980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23528247980 is an abundant number, since it is smaller than the sum of its proper divisors (25887124180).

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

23528247980 is a wasteful number, since it uses less digits than its factorization.

23528247980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144089 (or 144087 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 23528247980 in words is "twenty-three billion, five hundred twenty-eight million, two hundred forty-seven thousand, nine hundred eighty".