101023173 has 8 divisors (see below), whose sum is σ = 149664000. Its totient is φ = 67348764.

The previous prime is 101023157. The next prime is 101023187. The reversal of 101023173 is 371320101.

It is not a de Polignac number, because 101023173 - 2⁴ = 101023157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870773 + ... + 1870826.

It is an arithmetic number, because the mean of its divisors is an integer number (18708000).

Almost surely, 2^101023173 is an apocalyptic number.

It is an amenable number.

101023173 is a deficient number, since it is larger than the sum of its proper divisors (48640827).

101023173 is an equidigital number, since it uses as much as digits as its factorization.

101023173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741608 (or 3741602 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 101023173 is about 10051.0284548398. The cubic root of 101023173 is about 465.7365641893.

Adding to 101023173 its reverse (371320101), we get a palindrome (472343274).

The spelling of 101023173 in words is "one hundred one million, twenty-three thousand, one hundred seventy-three".