13507423 has 4 divisors (see below), whose sum is σ = 14218360. Its totient is φ = 12796488.

The previous prime is 13507411. The next prime is 13507427. The reversal of 13507423 is 32470531.

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

It is a cyclic number.

It is not a de Polignac number, because 13507423 - 2¹³ = 13499231 is a prime.

It is a super-2 number, since 2×13507423² = 364900952201858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13507427) 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, 355440 + ... + 355477.

It is an arithmetic number, because the mean of its divisors is an integer number (3554590).

Almost surely, 2^13507423 is an apocalyptic number.

13507423 is a deficient number, since it is larger than the sum of its proper divisors (710937).

13507423 is an equidigital number, since it uses as much as digits as its factorization.

13507423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710936.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13507423 is about 3675.2446177091. The cubic root of 13507423 is about 238.1537915692.

Adding to 13507423 its reverse (32470531), we get a palindrome (45977954).

The spelling of 13507423 in words is "thirteen million, five hundred seven thousand, four hundred twenty-three".