15323428 has 24 divisors (see below), whose sum is σ = 28159488. Its totient is φ = 7282176.

The previous prime is 15323423. The next prime is 15323431. The reversal of 15323428 is 82432351.

It is a junction number, because it is equal to n+sod(n) for n = 15323396 and 15323405.

It is not an unprimeable number, because it can be changed into a prime (15323423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17325 + ... + 18187.

It is an arithmetic number, because the mean of its divisors is an integer number (1173312).

Almost surely, 2^15323428 is an apocalyptic number.

It is an amenable number.

15323428 is a deficient number, since it is larger than the sum of its proper divisors (12836060).

15323428 is a wasteful number, since it uses less digits than its factorization.

15323428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1081 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 15323428 is about 3914.5150402061. The cubic root of 15323428 is about 248.3811560028.

Adding to 15323428 its reverse (82432351), we get a palindrome (97755779).

It can be divided in two parts, 15323 and 428, that added together give a palindrome (15751).

The spelling of 15323428 in words is "fifteen million, three hundred twenty-three thousand, four hundred twenty-eight".