121230512323 has 4 divisors (see below), whose sum is σ = 121233196080. Its totient is φ = 121227828568.

The previous prime is 121230512317. The next prime is 121230512369. The reversal of 121230512323 is 323215032121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121230512323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121230512303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272940 + ... + 1364857.

It is an arithmetic number, because the mean of its divisors is an integer number (30308299020).

Almost surely, 2^121230512323 is an apocalyptic number.

121230512323 is a deficient number, since it is larger than the sum of its proper divisors (2683757).

121230512323 is an equidigital number, since it uses as much as digits as its factorization.

121230512323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683756.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 121230512323 its reverse (323215032121), we get a palindrome (444445544444).

The spelling of 121230512323 in words is "one hundred twenty-one billion, two hundred thirty million, five hundred twelve thousand, three hundred twenty-three".