1023045103 has 4 divisors (see below), whose sum is σ = 1023269440. Its totient is φ = 1022820768.

The previous prime is 1023045097. The next prime is 1023045113. The reversal of 1023045103 is 3015403201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023045103 - 2¹⁷ = 1022914031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023045113) 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, 105183 + ... + 114496.

It is an arithmetic number, because the mean of its divisors is an integer number (255817360).

Almost surely, 2^1023045103 is an apocalyptic number.

1023045103 is a deficient number, since it is larger than the sum of its proper divisors (224337).

1023045103 is an equidigital number, since it uses as much as digits as its factorization.

1023045103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224336.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1023045103 is about 31985.0762544034. The cubic root of 1023045103 is about 1007.6234365322.

Adding to 1023045103 its reverse (3015403201), we get a palindrome (4038448304).

The spelling of 1023045103 in words is "one billion, twenty-three million, forty-five thousand, one hundred three".