101011023 has 16 divisors (see below), whose sum is σ = 150238560. Its totient is φ = 67074048.

The previous prime is 101011019. The next prime is 101011033. The reversal of 101011023 is 320110101.

It is not a de Polignac number, because 101011023 - 2² = 101011019 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 = 101010996 and 101011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011013) 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 15 ways as a sum of consecutive naturals, for example, 340 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (9389910).

Almost surely, 2^101011023 is an apocalyptic number.

101011023 is a deficient number, since it is larger than the sum of its proper divisors (49227537).

101011023 is a wasteful number, since it uses less digits than its factorization.

101011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14823 (or 14817 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 101011023 is about 10050.4240209058. The cubic root of 101011023 is about 465.7178921495.

Adding to 101011023 its reverse (320110101), we get a palindrome (421121124).

The spelling of 101011023 in words is "one hundred one million, eleven thousand, twenty-three".