201200023 has 2 divisors, whose sum is σ = 201200024. Its totient is φ = 201200022.

The previous prime is 201200017. The next prime is 201200047. The reversal of 201200023 is 320002102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201200023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201199982 and 201200009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600011 + 100600012.

It is an arithmetic number, because the mean of its divisors is an integer number (100600012).

Almost surely, 2^201200023 is an apocalyptic number.

201200023 is a deficient number, since it is larger than the sum of its proper divisors (1).

201200023 is an equidigital number, since it uses as much as digits as its factorization.

201200023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 201200023 is about 14184.4993919419. The cubic root of 201200023 is about 585.9708456182.

Adding to 201200023 its reverse (320002102), we get a palindrome (521202125).

The spelling of 201200023 in words is "two hundred one million, two hundred thousand, twenty-three".