201053123 has 4 divisors (see below), whose sum is σ = 201096048. Its totient is φ = 201010200.

The previous prime is 201053113. The next prime is 201053173. The reversal of 201053123 is 321350102.

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 201053123 - 2⁶ = 201053059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201053113) 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 3 ways as a sum of consecutive naturals, for example, 13436 + ... + 24137.

It is an arithmetic number, because the mean of its divisors is an integer number (50274012).

Almost surely, 2^201053123 is an apocalyptic number.

201053123 is a deficient number, since it is larger than the sum of its proper divisors (42925).

201053123 is an equidigital number, since it uses as much as digits as its factorization.

201053123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42924.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 201053123 is about 14179.3202587430. The cubic root of 201053123 is about 585.8282013750.

The spelling of 201053123 in words is "two hundred one million, fifty-three thousand, one hundred twenty-three".