23685287706625 has 16 divisors (see below), whose sum is σ = 29561138622288. Its totient is φ = 18947012496000.

The previous prime is 23685287706589. The next prime is 23685287706631. The reversal of 23685287706625 is 52660778258632.

It can be written as a sum of positive squares in 8 ways, for example, as 16241770491664 + 7443517214961 = 4030108^2 + 2728281^2 .

It is not a de Polignac number, because 23685287706625 - 2¹³ = 23685287698433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4132932 + ... + 8028181.

It is an arithmetic number, because the mean of its divisors is an integer number (1847571163893).

Almost surely, 2^{23685287706625} is an apocalyptic number.

23685287706625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23685287706625 is a deficient number, since it is larger than the sum of its proper divisors (5875850915663).

23685287706625 is a wasteful number, since it uses less digits than its factorization.

23685287706625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12176709 (or 12176699 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 67.

The spelling of 23685287706625 in words is "twenty-three trillion, six hundred eighty-five billion, two hundred eighty-seven million, seven hundred six thousand, six hundred twenty-five".