123049608 has 64 divisors (see below), whose sum is σ = 337720320. Its totient is φ = 37051200.

The previous prime is 123049607. The next prime is 123049669. The reversal of 123049608 is 806940321.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (123049601) 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 15 ways as a sum of consecutive naturals, for example, 42693 + ... + 45483.

It is an arithmetic number, because the mean of its divisors is an integer number (5276880).

Almost surely, 2^123049608 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 123049608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168860160).

123049608 is an abundant number, since it is smaller than the sum of its proper divisors (214670712).

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

123049608 is a wasteful number, since it uses less digits than its factorization.

123049608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2974 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 123049608 is about 11092.7727823119. The cubic root of 123049608 is about 497.3858334193.

Adding to 123049608 its reverse (806940321), we get a palindrome (929989929).

It can be divided in two parts, 12304 and 9608, that added together give a palindrome (21912).

The spelling of 123049608 in words is "one hundred twenty-three million, forty-nine thousand, six hundred eight".