1023142103 has 4 divisors (see below), whose sum is σ = 1023362208. Its totient is φ = 1022922000.

The previous prime is 1023142091. The next prime is 1023142117. The reversal of 1023142103 is 3012413201.

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 1023142103 - 2¹⁰ = 1023141079 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 (1023145103) 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, 102926 + ... + 112427.

It is an arithmetic number, because the mean of its divisors is an integer number (255840552).

Almost surely, 2^1023142103 is an apocalyptic number.

1023142103 is a deficient number, since it is larger than the sum of its proper divisors (220105).

1023142103 is an equidigital number, since it uses as much as digits as its factorization.

1023142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220104.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1023142103 is about 31986.5925506297. The cubic root of 1023142103 is about 1007.6552814575.

Adding to 1023142103 its reverse (3012413201), we get a palindrome (4035555304).

The spelling of 1023142103 in words is "one billion, twenty-three million, one hundred forty-two thousand, one hundred three".