101143023 has 32 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 61608960.

The previous prime is 101143019. The next prime is 101143057. The reversal of 101143023 is 320341101.

It is not a de Polignac number, because 101143023 - 2² = 101143019 is a prime.

It is a super-2 number, since 2×101143023² = 20459822203157058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101142993 and 101143011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101143073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263890 + ... + 264272.

It is an arithmetic number, because the mean of its divisors is an integer number (4596480).

Almost surely, 2^101143023 is an apocalyptic number.

101143023 is a deficient number, since it is larger than the sum of its proper divisors (45944337).

101143023 is a wasteful number, since it uses less digits than its factorization.

101143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 101143023 is about 10056.9887640387. The cubic root of 101143023 is about 465.9206687086.

Adding to 101143023 its reverse (320341101), we get a palindrome (421484124).

The spelling of 101143023 in words is "one hundred one million, one hundred forty-three thousand, twenty-three".