202000123 has 12 divisors (see below), whose sum is σ = 225795648. Its totient is φ = 180442080.

The previous prime is 202000093. The next prime is 202000147. The reversal of 202000123 is 321000202.

202000123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202000123 - 2⁵ = 202000091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202000193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14040 + ... + 24517.

It is an arithmetic number, because the mean of its divisors is an integer number (18816304).

Almost surely, 2^202000123 is an apocalyptic number.

202000123 is a deficient number, since it is larger than the sum of its proper divisors (23795525).

202000123 is a wasteful number, since it uses less digits than its factorization.

202000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38614 (or 38601 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 202000123 is about 14212.6747306761. The cubic root of 202000123 is about 586.7465499363.

Adding to 202000123 its reverse (321000202), we get a palindrome (523000325).

The spelling of 202000123 in words is "two hundred two million, one hundred twenty-three", and thus it is an aban number.