1303123 has 4 divisors (see below), whose sum is σ = 1321048. Its totient is φ = 1285200.

The previous prime is 1303121. The next prime is 1303129. The reversal of 1303123 is 3213031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213031 = 23 ⋅139697.

It is a cyclic number.

It is not a de Polignac number, because 1303123 - 2¹ = 1303121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8853 + ... + 8998.

It is an arithmetic number, because the mean of its divisors is an integer number (330262).

2^1303123 is an apocalyptic number.

1303123 is a deficient number, since it is larger than the sum of its proper divisors (17925).

1303123 is an equidigital number, since it uses as much as digits as its factorization.

1303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1303123 is about 1141.5441296770. The cubic root of 1303123 is about 109.2266137998.

Adding to 1303123 its reverse (3213031), we get a palindrome (4516154).

The spelling of 1303123 in words is "one million, three hundred three thousand, one hundred twenty-three".