121301213323 has 4 divisors (see below), whose sum is σ = 121305841920. Its totient is φ = 121296584728.

The previous prime is 121301213317. The next prime is 121301213329. The reversal of 121301213323 is 323312103121.

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

It is an interprime number because it is at equal distance from previous prime (121301213317) and next prime (121301213329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121301213323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121301213294 and 121301213303.

It is not an unprimeable number, because it can be changed into a prime (121301213329) 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, 2274763 + ... + 2327476.

It is an arithmetic number, because the mean of its divisors is an integer number (30326460480).

Almost surely, 2^121301213323 is an apocalyptic number.

121301213323 is a deficient number, since it is larger than the sum of its proper divisors (4628597).

121301213323 is an equidigital number, since it uses as much as digits as its factorization.

121301213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628596.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121301213323 its reverse (323312103121), we get a palindrome (444613316444).

The spelling of 121301213323 in words is "one hundred twenty-one billion, three hundred one million, two hundred thirteen thousand, three hundred twenty-three".