1316023 has 4 divisors (see below), whose sum is σ = 1318680. Its totient is φ = 1313368.

The previous prime is 1316017. The next prime is 1316033. The reversal of 1316023 is 3206131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3206131 = 23 ⋅139397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1315988 and 1316006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316033) 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, 340 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (329670).

2^1316023 is an apocalyptic number.

1316023 is a deficient number, since it is larger than the sum of its proper divisors (2657).

1316023 is an equidigital number, since it uses as much as digits as its factorization.

1316023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1316023 is about 1147.1804565978. The cubic root of 1316023 is about 109.5858531743.

Adding to 1316023 its product of nonzero digits (108), we get a palindrome (1316131).

The spelling of 1316023 in words is "one million, three hundred sixteen thousand, twenty-three".