123166466 has 4 divisors (see below), whose sum is σ = 184749702. Its totient is φ = 61583232.

The previous prime is 123166447. The next prime is 123166481. The reversal of 123166466 is 664661321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664661321 = 1483 ⋅448187.

It can be written as a sum of positive squares in only one way, i.e., 90345025 + 32821441 = 9505^2 + 5729^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30791615 + ... + 30791618.

Almost surely, 2^123166466 is an apocalyptic number.

123166466 is a deficient number, since it is larger than the sum of its proper divisors (61583236).

123166466 is an equidigital number, since it uses as much as digits as its factorization.

123166466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61583235.

The product of its digits is 31104, while the sum is 35.

The square root of 123166466 is about 11098.0388357583. The cubic root of 123166466 is about 497.5432363962.

The spelling of 123166466 in words is "one hundred twenty-three million, one hundred sixty-six thousand, four hundred sixty-six".