1020319995323 has 2 divisors, whose sum is σ = 1020319995324. Its totient is φ = 1020319995322.

The previous prime is 1020319995313. The next prime is 1020319995371. The reversal of 1020319995323 is 3235999130201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020319995323 - 2⁸ = 1020319995067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020319995313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510159997661 + 510159997662.

It is an arithmetic number, because the mean of its divisors is an integer number (510159997662).

Almost surely, 2^{1020319995323} is an apocalyptic number.

1020319995323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020319995323 is an equidigital number, since it uses as much as digits as its factorization.

1020319995323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 47.

The spelling of 1020319995323 in words is "one trillion, twenty billion, three hundred nineteen million, nine hundred ninety-five thousand, three hundred twenty-three".