13202423 has 4 divisors (see below), whose sum is σ = 14218008. Its totient is φ = 12186840.

The previous prime is 13202411. The next prime is 13202461. The reversal of 13202423 is 32420231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32420231 = 29 ⋅1117939.

It is a cyclic number.

It is not a de Polignac number, because 13202423 - 2²⁰ = 12153847 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 (13202923) 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, 507773 + ... + 507798.

It is an arithmetic number, because the mean of its divisors is an integer number (3554502).

Almost surely, 2^13202423 is an apocalyptic number.

13202423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13202423 is a deficient number, since it is larger than the sum of its proper divisors (1015585).

13202423 is a wasteful number, since it uses less digits than its factorization.

13202423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015584.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13202423 is about 3633.5138640165. The cubic root of 13202423 is about 236.3476096942.

Adding to 13202423 its reverse (32420231), we get a palindrome (45622654).

The spelling of 13202423 in words is "thirteen million, two hundred two thousand, four hundred twenty-three".