1010200023 has 18 divisors (see below), whose sum is σ = 1697411664. Its totient is φ = 577256904.

The previous prime is 1010199991. The next prime is 1010200049. The reversal of 1010200023 is 3200020101.

It is a happy number.

It is not a de Polignac number, because 1010200023 - 2⁵ = 1010199991 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 = 1010199978 and 1010200014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010200063) 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 17 ways as a sum of consecutive naturals, for example, 1144911 + ... + 1145792.

It is an arithmetic number, because the mean of its divisors is an integer number (94300648).

Almost surely, 2^1010200023 is an apocalyptic number.

1010200023 is a deficient number, since it is larger than the sum of its proper divisors (687211641).

1010200023 is a wasteful number, since it uses less digits than its factorization.

1010200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290723 (or 2290713 counting only the distinct ones).

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

The square root of 1010200023 is about 31783.6439540843. The cubic root of 1010200023 is about 1003.3885126795.

Adding to 1010200023 its reverse (3200020101), we get a palindrome (4210220124).

The spelling of 1010200023 in words is "one billion, ten million, two hundred thousand, twenty-three".