1023799585579 has 2 divisors, whose sum is σ = 1023799585580. Its totient is φ = 1023799585578.

The previous prime is 1023799585531. The next prime is 1023799585621. The reversal of 1023799585579 is 9755859973201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023799585579 - 2¹⁹ = 1023799061291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023799580579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511899792789 + 511899792790.

It is an arithmetic number, because the mean of its divisors is an integer number (511899792790).

Almost surely, 2^{1023799585579} is an apocalyptic number.

1023799585579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023799585579 is an equidigital number, since it uses as much as digits as its factorization.

1023799585579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326000, while the sum is 70.

The spelling of 1023799585579 in words is "one trillion, twenty-three billion, seven hundred ninety-nine million, five hundred eighty-five thousand, five hundred seventy-nine".