123662606 has 4 divisors (see below), whose sum is σ = 185493912. Its totient is φ = 61831302.

The previous prime is 123662603. The next prime is 123662611. The reversal of 123662606 is 606266321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 606266321 = 443 ⋅1368547.

It is a super-2 number, since 2×123662606² = 30584880245422472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123662603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30915650 + ... + 30915653.

It is an arithmetic number, because the mean of its divisors is an integer number (46373478).

Almost surely, 2^123662606 is an apocalyptic number.

123662606 is a deficient number, since it is larger than the sum of its proper divisors (61831306).

123662606 is an equidigital number, since it uses as much as digits as its factorization.

123662606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61831305.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 123662606 is about 11120.3689686988. The cubic root of 123662606 is about 498.2104103798.

The spelling of 123662606 in words is "one hundred twenty-three million, six hundred sixty-two thousand, six hundred six".