43653330023 has 2 divisors, whose sum is σ = 43653330024. Its totient is φ = 43653330022.

The previous prime is 43653329921. The next prime is 43653330059. The reversal of 43653330023 is 32003335634.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43653330023 - 2²⁰ = 43652281447 is a prime.

It is a super-2 number, since 2×43653330023² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43653330223) 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, 21826665011 + 21826665012.

It is an arithmetic number, because the mean of its divisors is an integer number (21826665012).

Almost surely, 2^43653330023 is an apocalyptic number.

43653330023 is a deficient number, since it is larger than the sum of its proper divisors (1).

43653330023 is an equidigital number, since it uses as much as digits as its factorization.

43653330023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 32.

Adding to 43653330023 its reverse (32003335634), we get a palindrome (75656665657).

The spelling of 43653330023 in words is "forty-three billion, six hundred fifty-three million, three hundred thirty thousand, twenty-three".