1920234443 has 2 divisors, whose sum is σ = 1920234444. Its totient is φ = 1920234442.

The previous prime is 1920234431. The next prime is 1920234497. The reversal of 1920234443 is 3444320291.

It is a weak prime.

It is an emirp because it is prime and its reverse (3444320291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1920234443 - 2¹⁴ = 1920218059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1920233443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960117221 + 960117222.

It is an arithmetic number, because the mean of its divisors is an integer number (960117222).

Almost surely, 2^1920234443 is an apocalyptic number.

1920234443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1920234443 is an equidigital number, since it uses as much as digits as its factorization.

1920234443 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 32.

The square root of 1920234443 is about 43820.4797212445. The cubic root of 1920234443 is about 1242.9435884414.

The spelling of 1920234443 in words is "one billion, nine hundred twenty million, two hundred thirty-four thousand, four hundred forty-three".