1323022203287 has 4 divisors (see below), whose sum is σ = 1323113896896. Its totient is φ = 1322930509680.

The previous prime is 1323022203281. The next prime is 1323022203289. The reversal of 1323022203287 is 7823022203231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323022203287 - 2²⁸ = 1322753767831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323022203281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45825158 + ... + 45854019.

It is an arithmetic number, because the mean of its divisors is an integer number (330778474224).

Almost surely, 2^{1323022203287} is an apocalyptic number.

1323022203287 is a deficient number, since it is larger than the sum of its proper divisors (91693609).

1323022203287 is an equidigital number, since it uses as much as digits as its factorization.

1323022203287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91693608.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 1323022203287 in words is "one trillion, three hundred twenty-three billion, twenty-two million, two hundred three thousand, two hundred eighty-seven".