202123000001 has 8 divisors (see below), whose sum is σ = 218068866624. Its totient is φ = 186233982480.

The previous prime is 202122999959. The next prime is 202123000003. The reversal of 202123000001 is 100000321202.

It is a happy number.

202123000001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 202123000001 - 2³⁴ = 184943130817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202123000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14204885 + ... + 14219106.

It is an arithmetic number, because the mean of its divisors is an integer number (27258608328).

Almost surely, 2^202123000001 is an apocalyptic number.

It is an amenable number.

202123000001 is a deficient number, since it is larger than the sum of its proper divisors (15945866623).

202123000001 is a wasteful number, since it uses less digits than its factorization.

202123000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28424551.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 202123000001 its reverse (100000321202), we get a palindrome (302123321203).

The spelling of 202123000001 in words is "two hundred two billion, one hundred twenty-three million, one", and thus it is an aban number.