123652066 has 4 divisors (see below), whose sum is σ = 185478102. Its totient is φ = 61826032.

The previous prime is 123652049. The next prime is 123652069. The reversal of 123652066 is 660256321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 50908225 = 8529^2 + 7135^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (123652069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30913015 + ... + 30913018.

Almost surely, 2^123652066 is an apocalyptic number.

123652066 is a deficient number, since it is larger than the sum of its proper divisors (61826036).

123652066 is an equidigital number, since it uses as much as digits as its factorization.

123652066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61826035.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 123652066 is about 11119.8950534616. The cubic root of 123652066 is about 498.1962555029.

The spelling of 123652066 in words is "one hundred twenty-three million, six hundred fifty-two thousand, sixty-six".