23420497027 has 2 divisors, whose sum is σ = 23420497028. Its totient is φ = 23420497026.

The previous prime is 23420496961. The next prime is 23420497033. The reversal of 23420497027 is 72079402432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23420497027 - 2¹⁵ = 23420464259 is a prime.

It is not a weakly prime, because it can be changed into another prime (23420497097) 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, 11710248513 + 11710248514.

It is an arithmetic number, because the mean of its divisors is an integer number (11710248514).

Almost surely, 2^23420497027 is an apocalyptic number.

23420497027 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420497027 is an equidigital number, since it uses as much as digits as its factorization.

23420497027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

Adding to 23420497027 its reverse (72079402432), we get a palindrome (95499899459).

The spelling of 23420497027 in words is "twenty-three billion, four hundred twenty million, four hundred ninety-seven thousand, twenty-seven".