121310322323 has 4 divisors (see below), whose sum is σ = 121312901088. Its totient is φ = 121307743560.

The previous prime is 121310322299. The next prime is 121310322359. The reversal of 121310322323 is 323223013121.

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 121310322323 - 2¹⁰ = 121310321299 is a prime.

It is a super-2 number, since 2×121310322323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121310322823) 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, 1217483 + ... + 1313348.

It is an arithmetic number, because the mean of its divisors is an integer number (30328225272).

Almost surely, 2^121310322323 is an apocalyptic number.

121310322323 is a deficient number, since it is larger than the sum of its proper divisors (2578765).

121310322323 is an equidigital number, since it uses as much as digits as its factorization.

121310322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578764.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121310322323 its reverse (323223013121), we get a palindrome (444533335444).

The spelling of 121310322323 in words is "one hundred twenty-one billion, three hundred ten million, three hundred twenty-two thousand, three hundred twenty-three".