43553341423 has 2 divisors, whose sum is σ = 43553341424. Its totient is φ = 43553341422.

The previous prime is 43553341421. The next prime is 43553341441. The reversal of 43553341423 is 32414335534.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43553341423 - 2¹ = 43553341421 is a prime.

Together with 43553341421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43553341421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21776670711 + 21776670712.

It is an arithmetic number, because the mean of its divisors is an integer number (21776670712).

Almost surely, 2^43553341423 is an apocalyptic number.

43553341423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43553341423 is an equidigital number, since it uses as much as digits as its factorization.

43553341423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 37.

Adding to 43553341423 its reverse (32414335534), we get a palindrome (75967676957).

The spelling of 43553341423 in words is "forty-three billion, five hundred fifty-three million, three hundred forty-one thousand, four hundred twenty-three".