123603648 has 56 divisors (see below), whose sum is σ = 373757952. Its totient is φ = 35314944.

The previous prime is 123603647. The next prime is 123603653. The reversal of 123603648 is 846306321.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (123603647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44640 + ... + 47327.

Almost surely, 2^123603648 is an apocalyptic number.

It is an amenable number.

123603648 is an abundant number, since it is smaller than the sum of its proper divisors (250154304).

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

123603648 is an equidigital number, since it uses as much as digits as its factorization.

123603648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91989 (or 91979 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 123603648 is about 11117.7177514092. The cubic root of 123603648 is about 498.1312213680.

Adding to 123603648 its reverse (846306321), we get a palindrome (969909969).

It can be divided in two parts, 123603 and 648, that added together give a triangular number (124251 = T₄₉₈).

The spelling of 123603648 in words is "one hundred twenty-three million, six hundred three thousand, six hundred forty-eight".