30020123023 has 4 divisors (see below), whose sum is σ = 32749225128. Its totient is φ = 27291020920.

The previous prime is 30020123011. The next prime is 30020123087. The reversal of 30020123023 is 32032102003.

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

It is a cyclic number.

It is not a de Polignac number, because 30020123023 - 2⁹ = 30020122511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30020122988 and 30020123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020123093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364551036 + ... + 1364551057.

It is an arithmetic number, because the mean of its divisors is an integer number (8187306282).

Almost surely, 2^30020123023 is an apocalyptic number.

30020123023 is a deficient number, since it is larger than the sum of its proper divisors (2729102105).

30020123023 is a wasteful number, since it uses less digits than its factorization.

30020123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729102104.

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

Adding to 30020123023 its reverse (32032102003), we get a palindrome (62052225026).

The spelling of 30020123023 in words is "thirty billion, twenty million, one hundred twenty-three thousand, twenty-three".