200101023 has 28 divisors (see below), whose sum is σ = 305733960. Its totient is φ = 130858416.

The previous prime is 200101007. The next prime is 200101039. The reversal of 200101023 is 320101002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200101007) and next prime (200101039).

It is not a de Polignac number, because 200101023 - 2⁴ = 200101007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200100996 and 200101014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101003) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 36048 + ... + 41226.

It is an arithmetic number, because the mean of its divisors is an integer number (10919070).

Almost surely, 2^200101023 is an apocalyptic number.

200101023 is a deficient number, since it is larger than the sum of its proper divisors (105632937).

200101023 is an frugal number, since it uses more digits than its factorization.

200101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250 (or 5235 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 200101023 is about 14145.7068752325. The cubic root of 200101023 is about 584.9019954166.

Adding to 200101023 its reverse (320101002), we get a palindrome (520202025).

The spelling of 200101023 in words is "two hundred million, one hundred one thousand, twenty-three".