1323033013091 has 2 divisors, whose sum is σ = 1323033013092. Its totient is φ = 1323033013090.

The previous prime is 1323033013031. The next prime is 1323033013147. The reversal of 1323033013091 is 1903103303231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323033013091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323033013031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661516506545 + 661516506546.

It is an arithmetic number, because the mean of its divisors is an integer number (661516506546).

Almost surely, 2^{1323033013091} is an apocalyptic number.

1323033013091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323033013091 is an equidigital number, since it uses as much as digits as its factorization.

1323033013091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 1323033013091 in words is "one trillion, three hundred twenty-three billion, thirty-three million, thirteen thousand, ninety-one".