101201023 has 24 divisors (see below), whose sum is σ = 129029760. Its totient is φ = 78487920.

The previous prime is 101201003. The next prime is 101201041. The reversal of 101201023 is 320102101.

It is not a de Polignac number, because 101201023 - 2⁵ = 101200991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193240 + ... + 193762.

It is an arithmetic number, because the mean of its divisors is an integer number (5376240).

Almost surely, 2^101201023 is an apocalyptic number.

101201023 is a deficient number, since it is larger than the sum of its proper divisors (27828737).

101201023 is a wasteful number, since it uses less digits than its factorization.

101201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 101201023 is about 10059.8719176737. The cubic root of 101201023 is about 466.0097117098.

Adding to 101201023 its reverse (320102101), we get a palindrome (421303124).

The spelling of 101201023 in words is "one hundred one million, two hundred one thousand, twenty-three".