100023005 has 8 divisors (see below), whose sum is σ = 121265592. Its totient is φ = 79193088.

The previous prime is 100022977. The next prime is 100023013. The reversal of 100023005 is 500320001.

It can be written as a sum of positive squares in 4 ways, for example, as 33616804 + 66406201 = 5798^2 + 8149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100023005 - 2¹⁰ = 100021981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102632 + ... + 103601.

It is an arithmetic number, because the mean of its divisors is an integer number (15158199).

Almost surely, 2^100023005 is an apocalyptic number.

It is an amenable number.

100023005 is a deficient number, since it is larger than the sum of its proper divisors (21242587).

100023005 is an equidigital number, since it uses as much as digits as its factorization.

100023005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206335.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 100023005 is about 10001.1501838539. The cubic root of 100023005 is about 464.1944738826.

Adding to 100023005 its reverse (500320001), we get a palindrome (600343006).

The spelling of 100023005 in words is "one hundred million, twenty-three thousand, five".