13403023 has 4 divisors (see below), whose sum is σ = 13729968. Its totient is φ = 13076080.

The previous prime is 13402993. The next prime is 13403041. The reversal of 13403023 is 32030431.

13403023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13403023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13402988 and 13403006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403053) 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, 163411 + ... + 163492.

It is an arithmetic number, because the mean of its divisors is an integer number (3432492).

Almost surely, 2^13403023 is an apocalyptic number.

13403023 is a deficient number, since it is larger than the sum of its proper divisors (326945).

13403023 is an equidigital number, since it uses as much as digits as its factorization.

13403023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326944.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13403023 is about 3661.0139305935. The cubic root of 13403023 is about 237.5386337890.

Adding to 13403023 its reverse (32030431), we get a palindrome (45433454).

The spelling of 13403023 in words is "thirteen million, four hundred three thousand, twenty-three".