123242448 has 120 divisors (see below), whose sum is σ = 376865760. Its totient is φ = 34594560.

The previous prime is 123242447. The next prime is 123242459. The reversal of 123242448 is 844242321.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123242443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143043 + ... + 143901.

It is an arithmetic number, because the mean of its divisors is an integer number (3140548).

Almost surely, 2^123242448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123242448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188432880).

123242448 is an abundant number, since it is smaller than the sum of its proper divisors (253623312).

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

123242448 is a wasteful number, since it uses less digits than its factorization.

123242448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 932 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 123242448 is about 11101.4615254029. The cubic root of 123242448 is about 497.6455276561.

Adding to 123242448 its reverse (844242321), we get a palindrome (967484769).

The spelling of 123242448 in words is "one hundred twenty-three million, two hundred forty-two thousand, four hundred forty-eight".