40311223343 has 2 divisors, whose sum is σ = 40311223344. Its totient is φ = 40311223342.

The previous prime is 40311223231. The next prime is 40311223369. The reversal of 40311223343 is 34332211304.

It is an a-pointer prime, because the next prime (40311223369) can be obtained adding 40311223343 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40311223343 - 2¹⁰ = 40311222319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40311226343) 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, 20155611671 + 20155611672.

It is an arithmetic number, because the mean of its divisors is an integer number (20155611672).

Almost surely, 2^40311223343 is an apocalyptic number.

40311223343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40311223343 is an equidigital number, since it uses as much as digits as its factorization.

40311223343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 40311223343 its reverse (34332211304), we get a palindrome (74643434647).

The spelling of 40311223343 in words is "forty billion, three hundred eleven million, two hundred twenty-three thousand, three hundred forty-three".