121301020323 has 144 divisors (see below), whose sum is σ = 213621408000. Its totient is φ = 66077182080.

The previous prime is 121301020307. The next prime is 121301020333. The reversal of 121301020323 is 323020103121.

121301020323 is a `hidden beast` number, since 1 + 21 + 301 + 0 + 20 + 323 = 666.

It is not a de Polignac number, because 121301020323 - 2⁴ = 121301020307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301020296 and 121301020305.

It is not an unprimeable number, because it can be changed into a prime (121301020333) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 202505578 + ... + 202506176.

It is an arithmetic number, because the mean of its divisors is an integer number (1483482000).

Almost surely, 2^121301020323 is an apocalyptic number.

121301020323 is a deficient number, since it is larger than the sum of its proper divisors (92320387677).

121301020323 is a wasteful number, since it uses less digits than its factorization.

121301020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121301020323 its reverse (323020103121), we get a palindrome (444321123444).

The spelling of 121301020323 in words is "one hundred twenty-one billion, three hundred one million, twenty thousand, three hundred twenty-three".