123066377 has 4 divisors (see below), whose sum is σ = 140647296. Its totient is φ = 105485460.

The previous prime is 123066367. The next prime is 123066397. The reversal of 123066377 is 773660321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773660321 = 7 ⋅110522903.

It is a cyclic number.

It is not a de Polignac number, because 123066377 - 2⁶ = 123066313 is a prime.

It is a super-2 number, since 2×123066377² = 30290666295812258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123066367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8790449 + ... + 8790462.

It is an arithmetic number, because the mean of its divisors is an integer number (35161824).

Almost surely, 2^123066377 is an apocalyptic number.

It is an amenable number.

123066377 is a deficient number, since it is larger than the sum of its proper divisors (17580919).

123066377 is an equidigital number, since it uses as much as digits as its factorization.

123066377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17580918.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 123066377 is about 11093.5286090585. The cubic root of 123066377 is about 497.4084267032.

The spelling of 123066377 in words is "one hundred twenty-three million, sixty-six thousand, three hundred seventy-seven".