30020132020123 has 4 divisors (see below), whose sum is σ = 34308722308720. Its totient is φ = 25731541731528.

The previous prime is 30020132020121. The next prime is 30020132020129. The reversal of 30020132020123 is 32102023102003.

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 30020132020123 - 2¹ = 30020132020121 is a prime.

It is a super-2 number, since 2×30020132020123² (a number of 28 digits) contains 22 as substring.

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 30020132020123.

It is not an unprimeable number, because it can be changed into a prime (30020132020121) 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, 2144295144288 + ... + 2144295144301.

It is an arithmetic number, because the mean of its divisors is an integer number (8577180577180).

Almost surely, 2^{30020132020123} is an apocalyptic number.

30020132020123 is a deficient number, since it is larger than the sum of its proper divisors (4288590288597).

30020132020123 is an equidigital number, since it uses as much as digits as its factorization.

30020132020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288590288596.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30020132020123 its reverse (32102023102003), we get a palindrome (62122155122126).

The spelling of 30020132020123 in words is "thirty trillion, twenty billion, one hundred thirty-two million, twenty thousand, one hundred twenty-three".