23818629500647 has 2 divisors, whose sum is σ = 23818629500648. Its totient is φ = 23818629500646.

The previous prime is 23818629500629. The next prime is 23818629500651. The reversal of 23818629500647 is 74600592681832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23818629500647 is a prime.

It is a super-2 number, since 2×23818629500647² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23818629500447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11909314750323 + 11909314750324.

It is an arithmetic number, because the mean of its divisors is an integer number (11909314750324).

It is a 1-persistent number, because it is pandigital, but 2⋅23818629500647 = 47637259001294 is not.

Almost surely, 2^{23818629500647} is an apocalyptic number.

23818629500647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23818629500647 is an equidigital number, since it uses as much as digits as its factorization.

23818629500647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 23818629500647 in words is "twenty-three trillion, eight hundred eighteen billion, six hundred twenty-nine million, five hundred thousand, six hundred forty-seven".