23245651220 has 144 divisors (see below), whose sum is σ = 56805598080. Its totient is φ = 7970645760.

The previous prime is 23245651207. The next prime is 23245651237. The reversal of 23245651220 is 2215654232.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 3013889 + ... + 3021591.

It is an arithmetic number, because the mean of its divisors is an integer number (394483320).

Almost surely, 2^23245651220 is an apocalyptic number.

23245651220 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 23245651220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28402799040).

23245651220 is an abundant number, since it is smaller than the sum of its proper divisors (33559946860).

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

23245651220 is a wasteful number, since it uses less digits than its factorization.

23245651220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806 (or 7793 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 23245651220 in words is "twenty-three billion, two hundred forty-five million, six hundred fifty-one thousand, two hundred twenty".