23071045221439 has 2 divisors, whose sum is σ = 23071045221440. Its totient is φ = 23071045221438.

The previous prime is 23071045221437. The next prime is 23071045221461. The reversal of 23071045221439 is 93412254017032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23071045221439 - 2¹ = 23071045221437 is a prime.

Together with 23071045221437, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23071045221395 and 23071045221404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23071045221437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11535522610719 + 11535522610720.

It is an arithmetic number, because the mean of its divisors is an integer number (11535522610720).

Almost surely, 2^{23071045221439} is an apocalyptic number.

23071045221439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23071045221439 is an equidigital number, since it uses as much as digits as its factorization.

23071045221439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 23071045221439 in words is "twenty-three trillion, seventy-one billion, forty-five million, two hundred twenty-one thousand, four hundred thirty-nine".