123228448 has 24 divisors (see below), whose sum is σ = 277264512. Its totient is φ = 52812096.

The previous prime is 123228409. The next prime is 123228451. The reversal of 123228448 is 844822321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274840 + ... + 275287.

It is an arithmetic number, because the mean of its divisors is an integer number (11552688).

Almost surely, 2^123228448 is an apocalyptic number.

It is an amenable number.

123228448 is an abundant number, since it is smaller than the sum of its proper divisors (154036064).

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

123228448 is an equidigital number, since it uses as much as digits as its factorization.

123228448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550144 (or 550136 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 123228448 is about 11100.8309598876. The cubic root of 123228448 is about 497.6266832257.

The spelling of 123228448 in words is "one hundred twenty-three million, two hundred twenty-eight thousand, four hundred forty-eight".