23355685471 has 2 divisors, whose sum is σ = 23355685472. Its totient is φ = 23355685470.

The previous prime is 23355685403. The next prime is 23355685477. The reversal of 23355685471 is 17458655332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23355685471 - 2¹⁹ = 23355161183 is a prime.

It is a super-3 number, since 3×23355685471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23355685477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11677842735 + 11677842736.

It is an arithmetic number, because the mean of its divisors is an integer number (11677842736).

Almost surely, 2^23355685471 is an apocalyptic number.

23355685471 is a deficient number, since it is larger than the sum of its proper divisors (1).

23355685471 is an equidigital number, since it uses as much as digits as its factorization.

23355685471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 49.

The spelling of 23355685471 in words is "twenty-three billion, three hundred fifty-five million, six hundred eighty-five thousand, four hundred seventy-one".