15725323 has 4 divisors (see below), whose sum is σ = 16650360. Its totient is φ = 14800288.

The previous prime is 15725309. The next prime is 15725341. The reversal of 15725323 is 32352751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32352751 = 17 ⋅1903103.

It is a cyclic number.

It is not a de Polignac number, because 15725323 - 2¹³ = 15717131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15725291 and 15725300.

It is not an unprimeable number, because it can be changed into a prime (15725363) 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, 462493 + ... + 462526.

It is an arithmetic number, because the mean of its divisors is an integer number (4162590).

Almost surely, 2^15725323 is an apocalyptic number.

15725323 is a deficient number, since it is larger than the sum of its proper divisors (925037).

15725323 is an equidigital number, since it uses as much as digits as its factorization.

15725323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925036.

The product of its digits is 6300, while the sum is 28.

The square root of 15725323 is about 3965.5167380809. The cubic root of 15725323 is about 250.5339149277.

The spelling of 15725323 in words is "fifteen million, seven hundred twenty-five thousand, three hundred twenty-three".