202020030123 has 8 divisors (see below), whose sum is σ = 269362170000. Its totient is φ = 134678955168.

The previous prime is 202020030089. The next prime is 202020030143. The reversal of 202020030123 is 321030020202.

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

It is not a de Polignac number, because 202020030123 - 2⁹ = 202020029611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202020030143) 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, 457393 + ... + 783101.

It is an arithmetic number, because the mean of its divisors is an integer number (33670271250).

Almost surely, 2^202020030123 is an apocalyptic number.

202020030123 is a deficient number, since it is larger than the sum of its proper divisors (67342139877).

202020030123 is a wasteful number, since it uses less digits than its factorization.

202020030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532461.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 202020030123 its reverse (321030020202), we get a palindrome (523050050325).

The spelling of 202020030123 in words is "two hundred two billion, twenty million, thirty thousand, one hundred twenty-three".