100023103 has 4 divisors (see below), whose sum is σ = 101662888. Its totient is φ = 98383320.

The previous prime is 100023101. The next prime is 100023109. The reversal of 100023103 is 301320001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301320001 = 1249 ⋅241249.

It is a cyclic number.

It is not a de Polignac number, because 100023103 - 2¹ = 100023101 is a prime.

It is a super-2 number, since 2×100023103² = 20009242267497218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100023103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819801 + ... + 819922.

It is an arithmetic number, because the mean of its divisors is an integer number (25415722).

Almost surely, 2^100023103 is an apocalyptic number.

100023103 is a deficient number, since it is larger than the sum of its proper divisors (1639785).

100023103 is an equidigital number, since it uses as much as digits as its factorization.

100023103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639784.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 100023103 is about 10001.1550832891. The cubic root of 100023103 is about 464.1946254845.

Adding to 100023103 its reverse (301320001), we get a palindrome (401343104).

The spelling of 100023103 in words is "one hundred million, twenty-three thousand, one hundred three".