200201023 has 16 divisors (see below), whose sum is σ = 221169312. Its totient is φ = 179712000.

The previous prime is 200200999. The next prime is 200201041. The reversal of 200201023 is 320102002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200201023 is a prime.

It is a super-2 number, since 2×200201023² = 80160899220493058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384003 + ... + 384523.

It is an arithmetic number, because the mean of its divisors is an integer number (13823082).

Almost surely, 2^200201023 is an apocalyptic number.

200201023 is a deficient number, since it is larger than the sum of its proper divisors (20968289).

200201023 is a wasteful number, since it uses less digits than its factorization.

200201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

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

The square root of 200201023 is about 14149.2410750542. The cubic root of 200201023 is about 584.9994136405. Note that the first 3 decimals are identical.

Adding to 200201023 its reverse (320102002), we get a palindrome (520303025).

The spelling of 200201023 in words is "two hundred million, two hundred one thousand, twenty-three".