15413423 has 4 divisors (see below), whose sum is σ = 15830040. Its totient is φ = 14996808.

The previous prime is 15413383. The next prime is 15413449. The reversal of 15413423 is 32431451.

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 15413423 - 2¹⁰ = 15412399 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 (15413623) 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, 208253 + ... + 208326.

It is an arithmetic number, because the mean of its divisors is an integer number (3957510).

Almost surely, 2^15413423 is an apocalyptic number.

15413423 is a deficient number, since it is larger than the sum of its proper divisors (416617).

15413423 is an equidigital number, since it uses as much as digits as its factorization.

15413423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416616.

The product of its digits is 1440, while the sum is 23.

The square root of 15413423 is about 3925.9932501216. The cubic root of 15413423 is about 248.8664574263.

Adding to 15413423 its reverse (32431451), we get a palindrome (47844874).

The spelling of 15413423 in words is "fifteen million, four hundred thirteen thousand, four hundred twenty-three".