1323023221007 has 4 divisors (see below), whose sum is σ = 1323404829096. Its totient is φ = 1322641612920.

The previous prime is 1323023220943. The next prime is 1323023221019. The reversal of 1323023221007 is 7001223203231.

It is a happy number.

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 1323023221007 - 2⁶ = 1323023220943 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 (1323023221027) 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, 190798844 + ... + 190805777.

It is an arithmetic number, because the mean of its divisors is an integer number (330851207274).

Almost surely, 2^{1323023221007} is an apocalyptic number.

1323023221007 is a deficient number, since it is larger than the sum of its proper divisors (381608089).

1323023221007 is an equidigital number, since it uses as much as digits as its factorization.

1323023221007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381608088.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 1323023221007 its reverse (7001223203231), we get a palindrome (8324246424238).

The spelling of 1323023221007 in words is "one trillion, three hundred twenty-three billion, twenty-three million, two hundred twenty-one thousand, seven".