43312164688423 has 2 divisors, whose sum is σ = 43312164688424. Its totient is φ = 43312164688422.

The previous prime is 43312164688367. The next prime is 43312164688493. The reversal of 43312164688423 is 32488646121334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43312164688423 - 2¹⁷ = 43312164557351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43312164688493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21656082344211 + 21656082344212.

It is an arithmetic number, because the mean of its divisors is an integer number (21656082344212).

Almost surely, 2^{43312164688423} is an apocalyptic number.

43312164688423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43312164688423 is an equidigital number, since it uses as much as digits as its factorization.

43312164688423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15925248, while the sum is 55.

The spelling of 43312164688423 in words is "forty-three trillion, three hundred twelve billion, one hundred sixty-four million, six hundred eighty-eight thousand, four hundred twenty-three".