23813780027 has 2 divisors, whose sum is σ = 23813780028. Its totient is φ = 23813780026.

The previous prime is 23813780021. The next prime is 23813780083. The reversal of 23813780027 is 72008731832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23813780027 - 2⁶ = 23813779963 is a prime.

It is a super-2 number, since 2×23813780027² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23813780021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11906890013 + 11906890014.

It is an arithmetic number, because the mean of its divisors is an integer number (11906890014).

Almost surely, 2^23813780027 is an apocalyptic number.

23813780027 is a deficient number, since it is larger than the sum of its proper divisors (1).

23813780027 is an equidigital number, since it uses as much as digits as its factorization.

23813780027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 23813780027 in words is "twenty-three billion, eight hundred thirteen million, seven hundred eighty thousand, twenty-seven".