123565082 has 4 divisors (see below), whose sum is σ = 185347626. Its totient is φ = 61782540.

The previous prime is 123565081. The next prime is 123565097. The reversal of 123565082 is 280565321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280565321 = 359 ⋅781519.

It can be written as a sum of positive squares in only one way, i.e., 108347281 + 15217801 = 10409^2 + 3901^2 .

It is not an unprimeable number, because it can be changed into a prime (123565081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30891269 + ... + 30891272.

Almost surely, 2^123565082 is an apocalyptic number.

123565082 is a deficient number, since it is larger than the sum of its proper divisors (61782544).

123565082 is an equidigital number, since it uses as much as digits as its factorization.

123565082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61782543.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 123565082 is about 11115.9831773892. The cubic root of 123565082 is about 498.0794080994.

The spelling of 123565082 in words is "one hundred twenty-three million, five hundred sixty-five thousand, eighty-two".