1323231300947 has 2 divisors, whose sum is σ = 1323231300948. Its totient is φ = 1323231300946.

The previous prime is 1323231300943. The next prime is 1323231300983. The reversal of 1323231300947 is 7490031323231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323231300947 - 2² = 1323231300943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323231300947.

It is not a weakly prime, because it can be changed into another prime (1323231300943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661615650473 + 661615650474.

It is an arithmetic number, because the mean of its divisors is an integer number (661615650474).

Almost surely, 2^{1323231300947} is an apocalyptic number.

1323231300947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323231300947 is an equidigital number, since it uses as much as digits as its factorization.

1323231300947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 1323231300947 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-one million, three hundred thousand, nine hundred forty-seven".