15232423 has 4 divisors (see below), whose sum is σ = 15372280. Its totient is φ = 15092568.

The previous prime is 15232421. The next prime is 15232429. The reversal of 15232423 is 32423251.

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 15232423 - 2¹ = 15232421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15232394 and 15232403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15232421) 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, 69765 + ... + 69982.

It is an arithmetic number, because the mean of its divisors is an integer number (3843070).

Almost surely, 2^15232423 is an apocalyptic number.

15232423 is a deficient number, since it is larger than the sum of its proper divisors (139857).

15232423 is a wasteful number, since it uses less digits than its factorization.

15232423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139856.

The product of its digits is 1440, while the sum is 22.

The square root of 15232423 is about 3902.8736848635. The cubic root of 15232423 is about 247.8884720080. Note that the first 3 decimals are identical.

Adding to 15232423 its reverse (32423251), we get a palindrome (47655674).

The spelling of 15232423 in words is "fifteen million, two hundred thirty-two thousand, four hundred twenty-three".