1323120202023 has 8 divisors (see below), whose sum is σ = 1867934402928.
Its totient is φ = 830193067904.
The previous prime is 1323120202007. The next prime is 1323120202043. The reversal of 1323120202023 is 3202020213231.
Adding to 1323120202023 its reverse (3202020213231), we get a palindrome (4525140415254).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1323120202023 - 24 = 1323120202007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1323120202003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12971766636 + ... + 12971766737.
It is an arithmetic number, because the mean of its divisors is an integer number (233491800366).
Almost surely, 21323120202023 is an apocalyptic number.
1323120202023 is a deficient number, since it is larger than the sum of its proper divisors (544814200905).
1323120202023 is a wasteful number, since it uses less digits than its factorization.
1323120202023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25943533393.
The product of its (nonzero) digits is 864, while the sum is 21.
The spelling of 1323120202023 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred two thousand, twenty-three".