13023143 has 4 divisors (see below), whose sum is σ = 14883600. Its totient is φ = 11162688.

The previous prime is 13023133. The next prime is 13023167. The reversal of 13023143 is 34132031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34132031 = 59 ⋅578509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13023143 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 (13023133) 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, 930218 + ... + 930231.

It is an arithmetic number, because the mean of its divisors is an integer number (3720900).

Almost surely, 2^13023143 is an apocalyptic number.

13023143 is a deficient number, since it is larger than the sum of its proper divisors (1860457).

13023143 is an equidigital number, since it uses as much as digits as its factorization.

13023143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860456.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13023143 is about 3608.7592050454. The cubic root of 13023143 is about 235.2729166670.

Adding to 13023143 its reverse (34132031), we get a palindrome (47155174).

The spelling of 13023143 in words is "thirteen million, twenty-three thousand, one hundred forty-three".