43023225551 has 2 divisors, whose sum is σ = 43023225552. Its totient is φ = 43023225550.

The previous prime is 43023225521. The next prime is 43023225563. The reversal of 43023225551 is 15552232034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43023225551 - 2¹⁸ = 43022963407 is a prime.

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 (43023225521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21511612775 + 21511612776.

It is an arithmetic number, because the mean of its divisors is an integer number (21511612776).

Almost surely, 2^43023225551 is an apocalyptic number.

43023225551 is a deficient number, since it is larger than the sum of its proper divisors (1).

43023225551 is an equidigital number, since it uses as much as digits as its factorization.

43023225551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 43023225551 its reverse (15552232034), we get a palindrome (58575457585).

The spelling of 43023225551 in words is "forty-three billion, twenty-three million, two hundred twenty-five thousand, five hundred fifty-one".