23646544151 has 2 divisors, whose sum is σ = 23646544152. Its totient is φ = 23646544150.

The previous prime is 23646544067. The next prime is 23646544153. The reversal of 23646544151 is 15144564632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23646544151 - 2²⁶ = 23579435287 is a prime.

It is a Sophie Germain prime.

Together with 23646544153, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23646544099 and 23646544108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23646544153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11823272075 + 11823272076.

It is an arithmetic number, because the mean of its divisors is an integer number (11823272076).

Almost surely, 2^23646544151 is an apocalyptic number.

23646544151 is a deficient number, since it is larger than the sum of its proper divisors (1).

23646544151 is an equidigital number, since it uses as much as digits as its factorization.

23646544151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 41.

The spelling of 23646544151 in words is "twenty-three billion, six hundred forty-six million, five hundred forty-four thousand, one hundred fifty-one".