23685617003 has 2 divisors, whose sum is σ = 23685617004. Its totient is φ = 23685617002.

The previous prime is 23685616993. The next prime is 23685617027. The reversal of 23685617003 is 30071658632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23685617003 - 2²⁶ = 23618508139 is a prime.

It is a super-2 number, since 2×23685617003² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23685617063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11842808501 + 11842808502.

It is an arithmetic number, because the mean of its divisors is an integer number (11842808502).

Almost surely, 2^23685617003 is an apocalyptic number.

23685617003 is a deficient number, since it is larger than the sum of its proper divisors (1).

23685617003 is an equidigital number, since it uses as much as digits as its factorization.

23685617003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 23685617003 in words is "twenty-three billion, six hundred eighty-five million, six hundred seventeen thousand, three".