1923768043 has 2 divisors, whose sum is σ = 1923768044. Its totient is φ = 1923768042.

The previous prime is 1923767987. The next prime is 1923768071. The reversal of 1923768043 is 3408673291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1923768043 - 2¹⁷ = 1923636971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1923763043) 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, 961884021 + 961884022.

It is an arithmetic number, because the mean of its divisors is an integer number (961884022).

Almost surely, 2^1923768043 is an apocalyptic number.

1923768043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1923768043 is an equidigital number, since it uses as much as digits as its factorization.

1923768043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1923768043 is about 43860.7802370181. The cubic root of 1923768043 is about 1243.7055395233.

The spelling of 1923768043 in words is "one billion, nine hundred twenty-three million, seven hundred sixty-eight thousand, forty-three".