23672540767471 has 4 divisors (see below), whose sum is σ = 24060615206344. Its totient is φ = 23284466328600.

The previous prime is 23672540767391. The next prime is 23672540767489. The reversal of 23672540767471 is 17476704527632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23672540767471 - 2¹⁷ = 23672540636399 is a prime.

It is a super-3 number, since 3×23672540767471³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 388074438811 = 23672540767471 / (2 + 3 + 6 + 7 + 2 + 5 + 4 + 0 + 7 + 6 + 7 + 4 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23672540767171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194037219345 + ... + 194037219466.

It is an arithmetic number, because the mean of its divisors is an integer number (6015153801586).

Almost surely, 2^{23672540767471} is an apocalyptic number.

23672540767471 is a deficient number, since it is larger than the sum of its proper divisors (388074438873).

23672540767471 is an equidigital number, since it uses as much as digits as its factorization.

23672540767471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388074438872.

The product of its (nonzero) digits is 82978560, while the sum is 61.

The spelling of 23672540767471 in words is "twenty-three trillion, six hundred seventy-two billion, five hundred forty million, seven hundred sixty-seven thousand, four hundred seventy-one".