123551448 has 32 divisors (see below), whose sum is σ = 309173760. Its totient is φ = 41144480.

The previous prime is 123551447. The next prime is 123551453. The reversal of 123551448 is 844155321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123551447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34561 + ... + 37967.

It is an arithmetic number, because the mean of its divisors is an integer number (9661680).

Almost surely, 2^123551448 is an apocalyptic number.

It is an amenable number.

123551448 is an abundant number, since it is smaller than the sum of its proper divisors (185622312).

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

123551448 is a wasteful number, since it uses less digits than its factorization.

123551448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927 (or 4923 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 123551448 is about 11115.3698993781. The cubic root of 123551448 is about 498.0610882949.

The spelling of 123551448 in words is "one hundred twenty-three million, five hundred fifty-one thousand, four hundred forty-eight".