121020230323 has 4 divisors (see below), whose sum is σ = 123834654328. Its totient is φ = 118205806320.

The previous prime is 121020230311. The next prime is 121020230389. The reversal of 121020230323 is 323032020121.

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

It is not a de Polignac number, because 121020230323 - 2¹³ = 121020222131 is a prime.

It is a super-2 number, since 2×121020230323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121020230323.

It is not an unprimeable number, because it can be changed into a prime (121020230423) 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, 1407211938 + ... + 1407212023.

It is an arithmetic number, because the mean of its divisors is an integer number (30958663582).

Almost surely, 2^121020230323 is an apocalyptic number.

121020230323 is a deficient number, since it is larger than the sum of its proper divisors (2814424005).

121020230323 is an equidigital number, since it uses as much as digits as its factorization.

121020230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814424004.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 121020230323 its reverse (323032020121), we get a palindrome (444052250444).

The spelling of 121020230323 in words is "one hundred twenty-one billion, twenty million, two hundred thirty thousand, three hundred twenty-three".