123044472 has 24 divisors (see below), whose sum is σ = 333245640. Its totient is φ = 41014800.

The previous prime is 123044461. The next prime is 123044473. The reversal of 123044472 is 274440321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123044473) 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 5 ways as a sum of consecutive naturals, for example, 854404 + ... + 854547.

It is an arithmetic number, because the mean of its divisors is an integer number (13885235).

Almost surely, 2^123044472 is an apocalyptic number.

123044472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123044472 is an abundant number, since it is smaller than the sum of its proper divisors (210201168).

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

123044472 is a wasteful number, since it uses less digits than its factorization.

123044472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708963 (or 1708956 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 123044472 is about 11092.5412778137. The cubic root of 123044472 is about 497.3789131503.

Adding to 123044472 its reverse (274440321), we get a palindrome (397484793).

The spelling of 123044472 in words is "one hundred twenty-three million, forty-four thousand, four hundred seventy-two".