123181796 has 24 divisors (see below), whose sum is σ = 229420800. Its totient is φ = 57670272.

The previous prime is 123181781. The next prime is 123181801. The reversal of 123181796 is 697181321.

It is a super-3 number, since 3×123181796³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8981 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (9559200).

Almost surely, 2^123181796 is an apocalyptic number.

It is an amenable number.

123181796 is a deficient number, since it is larger than the sum of its proper divisors (106239004).

123181796 is a wasteful number, since it uses less digits than its factorization.

123181796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323 (or 9321 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 123181796 is about 11098.7294768365. The cubic root of 123181796 is about 497.5638778950.

The spelling of 123181796 in words is "one hundred twenty-three million, one hundred eighty-one thousand, seven hundred ninety-six".