30033121023 has 6 divisors (see below), whose sum is σ = 43381174824. Its totient is φ = 20022080676.

The previous prime is 30033120977. The next prime is 30033121037. The reversal of 30033121023 is 32012133003.

30033121023 is a `hidden beast` number, since 300 + 331 + 2 + 10 + 23 = 666.

It is not a de Polignac number, because 30033121023 - 2¹⁷ = 30032989951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30033120987 and 30033121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033121073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1668506715 + ... + 1668506732.

It is an arithmetic number, because the mean of its divisors is an integer number (7230195804).

Almost surely, 2^30033121023 is an apocalyptic number.

30033121023 is a deficient number, since it is larger than the sum of its proper divisors (13348053801).

30033121023 is a wasteful number, since it uses less digits than its factorization.

30033121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337013453 (or 3337013450 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30033121023 its reverse (32012133003), we get a palindrome (62045254026).

The spelling of 30033121023 in words is "thirty billion, thirty-three million, one hundred twenty-one thousand, twenty-three".