200523101 has 2 divisors, whose sum is σ = 200523102. Its totient is φ = 200523100.

The previous prime is 200523083. The next prime is 200523107. The reversal of 200523101 is 101325002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193627225 + 6895876 = 13915^2 + 2626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200523101 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200523107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100261550 + 100261551.

It is an arithmetic number, because the mean of its divisors is an integer number (100261551).

Almost surely, 2^200523101 is an apocalyptic number.

It is an amenable number.

200523101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200523101 is an equidigital number, since it uses as much as digits as its factorization.

200523101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 200523101 is about 14160.6179596796. The cubic root of 200523101 is about 585.3129559813.

Adding to 200523101 its reverse (101325002), we get a palindrome (301848103).

The spelling of 200523101 in words is "two hundred million, five hundred twenty-three thousand, one hundred one".