23071045221437 has 2 divisors, whose sum is σ = 23071045221438. Its totient is φ = 23071045221436.

The previous prime is 23071045221319. The next prime is 23071045221439. The reversal of 23071045221437 is 73412254017032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22828844426116 + 242200795321 = 4777954^2 + 492139^2 .

It is a cyclic number.

It is not a de Polignac number, because 23071045221437 - 2³⁰ = 23069971479613 is a prime.

Together with 23071045221439, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23071045221394 and 23071045221403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23071045221439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11535522610718 + 11535522610719.

It is an arithmetic number, because the mean of its divisors is an integer number (11535522610719).

Almost surely, 2^{23071045221437} is an apocalyptic number.

It is an amenable number.

23071045221437 is a deficient number, since it is larger than the sum of its proper divisors (1).

23071045221437 is an equidigital number, since it uses as much as digits as its factorization.

23071045221437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 41.

Adding to 23071045221437 its reverse (73412254017032), we get a palindrome (96483299238469).

The spelling of 23071045221437 in words is "twenty-three trillion, seventy-one billion, forty-five million, two hundred twenty-one thousand, four hundred thirty-seven".