123665488 has 20 divisors (see below), whose sum is σ = 241492480. Its totient is φ = 61344864.

The previous prime is 123665461. The next prime is 123665489. The reversal of 123665488 is 884566321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123665489) 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, 28398 + ... + 32461.

It is an arithmetic number, because the mean of its divisors is an integer number (12074624).

Almost surely, 2^123665488 is an apocalyptic number.

It is an amenable number.

123665488 is a deficient number, since it is larger than the sum of its proper divisors (117826992).

123665488 is a wasteful number, since it uses less digits than its factorization.

123665488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60994 (or 60988 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 123665488 is about 11120.4985499752. The cubic root of 123665488 is about 498.2142806720.

The spelling of 123665488 in words is "one hundred twenty-three million, six hundred sixty-five thousand, four hundred eighty-eight".