1323231030019 has 2 divisors, whose sum is σ = 1323231030020. Its totient is φ = 1323231030018.

The previous prime is 1323231029983. The next prime is 1323231030139. The reversal of 1323231030019 is 9100301323231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323231030019 - 2¹⁵ = 1323230997251 is a prime.

It is a super-2 number, since 2×1323231030019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1323231036019) 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, 661615515009 + 661615515010.

It is an arithmetic number, because the mean of its divisors is an integer number (661615515010).

Almost surely, 2^{1323231030019} is an apocalyptic number.

1323231030019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323231030019 is an equidigital number, since it uses as much as digits as its factorization.

1323231030019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 1323231030019 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-one million, thirty thousand, nineteen".