23813427851 has 2 divisors, whose sum is σ = 23813427852. Its totient is φ = 23813427850.

The previous prime is 23813427829. The next prime is 23813427853. The reversal of 23813427851 is 15872431832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23813427851 is a prime.

Together with 23813427853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23813427853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11906713925 + 11906713926.

It is an arithmetic number, because the mean of its divisors is an integer number (11906713926).

Almost surely, 2^23813427851 is an apocalyptic number.

23813427851 is a deficient number, since it is larger than the sum of its proper divisors (1).

23813427851 is an equidigital number, since it uses as much as digits as its factorization.

23813427851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The spelling of 23813427851 in words is "twenty-three billion, eight hundred thirteen million, four hundred twenty-seven thousand, eight hundred fifty-one".