19020375823 has 2 divisors, whose sum is σ = 19020375824. Its totient is φ = 19020375822.

The previous prime is 19020375799. The next prime is 19020375859. The reversal of 19020375823 is 32857302091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19020375823 - 2⁵ = 19020375791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19020375893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9510187911 + 9510187912.

It is an arithmetic number, because the mean of its divisors is an integer number (9510187912).

Almost surely, 2^19020375823 is an apocalyptic number.

19020375823 is a deficient number, since it is larger than the sum of its proper divisors (1).

19020375823 is an equidigital number, since it uses as much as digits as its factorization.

19020375823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 19020375823 in words is "nineteen billion, twenty million, three hundred seventy-five thousand, eight hundred twenty-three".