121020000323 has 4 divisors (see below), whose sum is σ = 121049442528. Its totient is φ = 120990558120.

The previous prime is 121020000317. The next prime is 121020000329. The reversal of 121020000323 is 323000020121.

It is a happy number.

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 (121020000317) and next prime (121020000329).

It is a cyclic number.

It is not a de Polignac number, because 121020000323 - 2⁴ = 121020000307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121020000298 and 121020000307.

It is not an unprimeable number, because it can be changed into a prime (121020000329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14714936 + ... + 14723157.

It is an arithmetic number, because the mean of its divisors is an integer number (30262360632).

Almost surely, 2^121020000323 is an apocalyptic number.

121020000323 is a deficient number, since it is larger than the sum of its proper divisors (29442205).

121020000323 is an equidigital number, since it uses as much as digits as its factorization.

121020000323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29442204.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 121020000323 its reverse (323000020121), we get a palindrome (444020020444).

The spelling of 121020000323 in words is "one hundred twenty-one billion, twenty million, three hundred twenty-three", and thus it is an aban number.