23454442454437 has 2 divisors, whose sum is σ = 23454442454438. Its totient is φ = 23454442454436.

The previous prime is 23454442454371. The next prime is 23454442454453. The reversal of 23454442454437 is 73445424445432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18204336355716 + 5250106098721 = 4266654^2 + 2291311^2 .

It is a cyclic number.

It is not a de Polignac number, because 23454442454437 - 2¹⁹ = 23454441930149 is a prime.

It is a super-2 number, since 2×23454442454437² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23454442454467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727221227218 + 11727221227219.

It is an arithmetic number, because the mean of its divisors is an integer number (11727221227219).

Almost surely, 2^{23454442454437} is an apocalyptic number.

It is an amenable number.

23454442454437 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454442454437 is an equidigital number, since it uses as much as digits as its factorization.

23454442454437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103219200, while the sum is 55.

Adding to 23454442454437 its reverse (73445424445432), we get a palindrome (96899866899869).

The spelling of 23454442454437 in words is "twenty-three trillion, four hundred fifty-four billion, four hundred forty-two million, four hundred fifty-four thousand, four hundred thirty-seven".