16123430443 has 2 divisors, whose sum is σ = 16123430444. Its totient is φ = 16123430442.

The previous prime is 16123430431. The next prime is 16123430459. The reversal of 16123430443 is 34403432161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16123430443 - 2¹⁷ = 16123299371 is a prime.

It is not a weakly prime, because it can be changed into another prime (16123430473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061715221 + 8061715222.

It is an arithmetic number, because the mean of its divisors is an integer number (8061715222).

Almost surely, 2^16123430443 is an apocalyptic number.

16123430443 is a deficient number, since it is larger than the sum of its proper divisors (1).

16123430443 is an equidigital number, since it uses as much as digits as its factorization.

16123430443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 16123430443 in words is "sixteen billion, one hundred twenty-three million, four hundred thirty thousand, four hundred forty-three".