15132423 has 4 divisors (see below), whose sum is σ = 20176568. Its totient is φ = 10088280.

The previous prime is 15132421. The next prime is 15132427. The reversal of 15132423 is 32423151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32423151 = 3 ⋅10807717.

It is not a de Polignac number, because 15132423 - 2¹ = 15132421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15132423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15132421) 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, 2522068 + ... + 2522073.

It is an arithmetic number, because the mean of its divisors is an integer number (5044142).

Almost surely, 2^15132423 is an apocalyptic number.

15132423 is a deficient number, since it is larger than the sum of its proper divisors (5044145).

15132423 is an equidigital number, since it uses as much as digits as its factorization.

15132423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044144.

The product of its digits is 720, while the sum is 21.

The square root of 15132423 is about 3890.0415164880. The cubic root of 15132423 is about 247.3448226335.

Adding to 15132423 its reverse (32423151), we get a palindrome (47555574).

The spelling of 15132423 in words is "fifteen million, one hundred thirty-two thousand, four hundred twenty-three".