123666652 has 6 divisors (see below), whose sum is σ = 216416648. Its totient is φ = 61833324.

The previous prime is 123666637. The next prime is 123666659. The reversal of 123666652 is 256666321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123666659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15458328 + ... + 15458335.

Almost surely, 2^123666652 is an apocalyptic number.

It is an amenable number.

123666652 is a deficient number, since it is larger than the sum of its proper divisors (92749996).

123666652 is a wasteful number, since it uses less digits than its factorization.

123666652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30916667 (or 30916665 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 123666652 is about 11120.5508856351. The cubic root of 123666652 is about 498.2158438125.

The spelling of 123666652 in words is "one hundred twenty-three million, six hundred sixty-six thousand, six hundred fifty-two".