123235583 has 2 divisors, whose sum is σ = 123235584. Its totient is φ = 123235582.

The previous prime is 123235573. The next prime is 123235613. The reversal of 123235583 is 385532321.

It is a weak prime.

It is an emirp because it is prime and its reverse (385532321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123235583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123235573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61617791 + 61617792.

It is an arithmetic number, because the mean of its divisors is an integer number (61617792).

Almost surely, 2^123235583 is an apocalyptic number.

123235583 is a deficient number, since it is larger than the sum of its proper divisors (1).

123235583 is an equidigital number, since it uses as much as digits as its factorization.

123235583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 123235583 is about 11101.1523275739. The cubic root of 123235583 is about 497.6362873334.

The spelling of 123235583 in words is "one hundred twenty-three million, two hundred thirty-five thousand, five hundred eighty-three".