30123020023 has 8 divisors (see below), whose sum is σ = 30435695136. Its totient is φ = 29810628000.

The previous prime is 30123020009. The next prime is 30123020047. The reversal of 30123020023 is 32002032103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30123020023 - 2²⁹ = 29586149111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30123019979 and 30123020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123020423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146590 + ... + 285892.

It is an arithmetic number, because the mean of its divisors is an integer number (3804461892).

Almost surely, 2^30123020023 is an apocalyptic number.

30123020023 is a deficient number, since it is larger than the sum of its proper divisors (312675113).

30123020023 is a wasteful number, since it uses less digits than its factorization.

30123020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141545.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30123020023 its reverse (32002032103), we get a palindrome (62125052126).

The spelling of 30123020023 in words is "thirty billion, one hundred twenty-three million, twenty thousand, twenty-three".