123797808 has 120 divisors (see below), whose sum is σ = 380631888. Its totient is φ = 38817792.

The previous prime is 123797789. The next prime is 123797809. The reversal of 123797808 is 808797321.

It is not an unprimeable number, because it can be changed into a prime (123797809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65160 + ... + 67032.

Almost surely, 2^123797808 is an apocalyptic number.

123797808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123797808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190315944).

123797808 is an abundant number, since it is smaller than the sum of its proper divisors (256834080).

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

123797808 is a wasteful number, since it uses less digits than its factorization.

123797808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 123797808 is about 11126.4463329493. The cubic root of 123797808 is about 498.3919109773.

The spelling of 123797808 in words is "one hundred twenty-three million, seven hundred ninety-seven thousand, eight hundred eight".