1023103 has 4 divisors (see below), whose sum is σ = 1027728. Its totient is φ = 1018480.

The previous prime is 1023101. The next prime is 1023107. The reversal of 1023103 is 3013201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013201 = 1321 ⋅2281.

It is a cyclic number.

It is not a de Polignac number, because 1023103 - 2¹ = 1023101 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1023103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963 + ... + 2428.

It is an arithmetic number, because the mean of its divisors is an integer number (256932).

2^1023103 is an apocalyptic number.

1023103 is a deficient number, since it is larger than the sum of its proper divisors (4625).

1023103 is an equidigital number, since it uses as much as digits as its factorization.

1023103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624.

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

The square root of 1023103 is about 1011.4855411720. The cubic root of 1023103 is about 100.7642444255.

Adding to 1023103 its reverse (3013201), we get a palindrome (4036304).

The spelling of 1023103 in words is "one million, twenty-three thousand, one hundred three".