101128023 has 6 divisors (see below), whose sum is σ = 146073824. Its totient is φ = 67418676.

The previous prime is 101128007. The next prime is 101128037. The reversal of 101128023 is 320821101.

It is not a de Polignac number, because 101128023 - 2⁴ = 101128007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101127987 and 101128005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101128073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5618215 + ... + 5618232.

Almost surely, 2^101128023 is an apocalyptic number.

101128023 is a deficient number, since it is larger than the sum of its proper divisors (44945801).

101128023 is a wasteful number, since it uses less digits than its factorization.

101128023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236453 (or 11236450 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 101128023 is about 10056.2429863245. The cubic root of 101128023 is about 465.8976348062.

Adding to 101128023 its reverse (320821101), we get a palindrome (421949124).

The spelling of 101128023 in words is "one hundred one million, one hundred twenty-eight thousand, twenty-three".