12352023648 has 36 divisors (see below), whose sum is σ = 35126068068. Its totient is φ = 4117341120.

The previous prime is 12352023643. The next prime is 12352023653. The reversal of 12352023648 is 84632025321.

12352023648 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 2 + 0 + 2 + 3 + 648 = 666.

It is an interprime number because it is at equal distance from previous prime (12352023643) and next prime (12352023653).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352023643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21444198 + ... + 21444773.

It is an arithmetic number, because the mean of its divisors is an integer number (975724113).

Almost surely, 2^12352023648 is an apocalyptic number.

12352023648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12352023648 is an abundant number, since it is smaller than the sum of its proper divisors (22774044420).

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

12352023648 is a wasteful number, since it uses less digits than its factorization.

12352023648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42888987 (or 42888976 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 12352023648 its reverse (84632025321), we get a palindrome (96984048969).

The spelling of 12352023648 in words is "twelve billion, three hundred fifty-two million, twenty-three thousand, six hundred forty-eight".