202123030201 has 4 divisors (see below), whose sum is σ = 202538067712. Its totient is φ = 201707992692.

The previous prime is 202123030177. The next prime is 202123030223. The reversal of 202123030201 is 102030321202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202123030201 - 2¹⁷ = 202122899129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202123030261) 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, 207518025 + ... + 207518998.

It is an arithmetic number, because the mean of its divisors is an integer number (50634516928).

Almost surely, 2^202123030201 is an apocalyptic number.

It is an amenable number.

202123030201 is a deficient number, since it is larger than the sum of its proper divisors (415037511).

202123030201 is an equidigital number, since it uses as much as digits as its factorization.

202123030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415037510.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202123030201 its reverse (102030321202), we get a palindrome (304153351403).

The spelling of 202123030201 in words is "two hundred two billion, one hundred twenty-three million, thirty thousand, two hundred one".