23207065455139 has 2 divisors, whose sum is σ = 23207065455140. Its totient is φ = 23207065455138.

The previous prime is 23207065455083. The next prime is 23207065455193. The reversal of 23207065455139 is 93155456070232.

Together with next prime (23207065455193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23207065455139 is a prime.

It is not a weakly prime, because it can be changed into another prime (23207065455439) 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, 11603532727569 + 11603532727570.

It is an arithmetic number, because the mean of its divisors is an integer number (11603532727570).

Almost surely, 2^{23207065455139} is an apocalyptic number.

23207065455139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23207065455139 is an equidigital number, since it uses as much as digits as its factorization.

23207065455139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804000, while the sum is 52.

The spelling of 23207065455139 in words is "twenty-three trillion, two hundred seven billion, sixty-five million, four hundred fifty-five thousand, one hundred thirty-nine".