23444455444433 has 2 divisors, whose sum is σ = 23444455444434. Its totient is φ = 23444455444432.

The previous prime is 23444455444427. The next prime is 23444455444483. The reversal of 23444455444433 is 33444455444432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14168727354769 + 9275728089664 = 3764137^2 + 3045608^2 .

It is a cyclic number.

It is not a de Polignac number, because 23444455444433 - 2¹² = 23444455440337 is a prime.

It is not a weakly prime, because it can be changed into another prime (23444455444483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11722227722216 + 11722227722217.

It is an arithmetic number, because the mean of its divisors is an integer number (11722227722217).

Almost surely, 2^{23444455444433} is an apocalyptic number.

It is an amenable number.

23444455444433 is a deficient number, since it is larger than the sum of its proper divisors (1).

23444455444433 is an equidigital number, since it uses as much as digits as its factorization.

23444455444433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88473600, while the sum is 53.

Subtracting 23444455444433 from its reverse (33444455444432), we obtain a palindrome (9999999999999).

The spelling of 23444455444433 in words is "twenty-three trillion, four hundred forty-four billion, four hundred fifty-five million, four hundred forty-four thousand, four hundred thirty-three".