123530669 has 2 divisors, whose sum is σ = 123530670. Its totient is φ = 123530668.

The previous prime is 123530621. The next prime is 123530713. The reversal of 123530669 is 966035321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63282025 + 60248644 = 7955^2 + 7762^2 .

It is a cyclic number.

It is not a de Polignac number, because 123530669 - 2⁸ = 123530413 is a prime.

It is a super-2 number, since 2×123530669² = 30519652367175122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123530369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61765334 + 61765335.

It is an arithmetic number, because the mean of its divisors is an integer number (61765335).

Almost surely, 2^123530669 is an apocalyptic number.

It is an amenable number.

123530669 is a deficient number, since it is larger than the sum of its proper divisors (1).

123530669 is an equidigital number, since it uses as much as digits as its factorization.

123530669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 123530669 is about 11114.4351633360. The cubic root of 123530669 is about 498.0331652670.

The spelling of 123530669 in words is "one hundred twenty-three million, five hundred thirty thousand, six hundred sixty-nine".