30121301323 has 4 divisors (see below), whose sum is σ = 30402808920. Its totient is φ = 29839793728.

The previous prime is 30121301321. The next prime is 30121301333. The reversal of 30121301323 is 32310312103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32310312103 = 47 ⋅687453449.

It is a cyclic number.

It is not a de Polignac number, because 30121301323 - 2¹ = 30121301321 is a prime.

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 30121301323.

It is not an unprimeable number, because it can be changed into a prime (30121301321) 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, 140753638 + ... + 140753851.

It is an arithmetic number, because the mean of its divisors is an integer number (7600702230).

Almost surely, 2^30121301323 is an apocalyptic number.

30121301323 is a deficient number, since it is larger than the sum of its proper divisors (281507597).

30121301323 is a wasteful number, since it uses less digits than its factorization.

30121301323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281507596.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30121301323 its reverse (32310312103), we get a palindrome (62431613426).

The spelling of 30121301323 in words is "thirty billion, one hundred twenty-one million, three hundred one thousand, three hundred twenty-three".