23686689072237 has 24 divisors (see below), whose sum is σ = 33015682447104. Its totient is φ = 15104286726144.

The previous prime is 23686689072223. The next prime is 23686689072247. The reversal of 23686689072237 is 73227098668632.

It is not a de Polignac number, because 23686689072237 - 2¹¹ = 23686689070189 is a prime.

It is a super-2 number, since 2×23686689072237² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23686689072217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128237293 + ... + 128421869.

It is an arithmetic number, because the mean of its divisors is an integer number (1375653435296).

Almost surely, 2^{23686689072237} is an apocalyptic number.

It is an amenable number.

23686689072237 is a deficient number, since it is larger than the sum of its proper divisors (9328993374867).

23686689072237 is a wasteful number, since it uses less digits than its factorization.

23686689072237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265489 (or 265466 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 69.

The spelling of 23686689072237 in words is "twenty-three trillion, six hundred eighty-six billion, six hundred eighty-nine million, seventy-two thousand, two hundred thirty-seven".