123383723 has 2 divisors, whose sum is σ = 123383724. Its totient is φ = 123383722.

The previous prime is 123383717. The next prime is 123383837. The reversal of 123383723 is 327383321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123383723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123383723.

It is not a weakly prime, because it can be changed into another prime (123383713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61691861 + 61691862.

It is an arithmetic number, because the mean of its divisors is an integer number (61691862).

Almost surely, 2^123383723 is an apocalyptic number.

123383723 is a deficient number, since it is larger than the sum of its proper divisors (1).

123383723 is an equidigital number, since it uses as much as digits as its factorization.

123383723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 123383723 is about 11107.8226039130. The cubic root of 123383723 is about 497.8356083365.

It can be divided in two parts, 12338 and 3723, that added together give a palindrome (16061).

The spelling of 123383723 in words is "one hundred twenty-three million, three hundred eighty-three thousand, seven hundred twenty-three".