123553344 has 28 divisors (see below), whose sum is σ = 326902064. Its totient is φ = 41184384.

The previous prime is 123553337. The next prime is 123553349. The reversal of 123553344 is 443355321.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (123553349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321562 + ... + 321945.

Almost surely, 2^123553344 is an apocalyptic number.

It is an amenable number.

123553344 is an abundant number, since it is smaller than the sum of its proper divisors (203348720).

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

123553344 is an equidigital number, since it uses as much as digits as its factorization.

123553344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643522 (or 643512 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 123553344 is about 11115.4551863610. The cubic root of 123553344 is about 498.0636360028.

The spelling of 123553344 in words is "one hundred twenty-three million, five hundred fifty-three thousand, three hundred forty-four".