1023424 has 14 divisors (see below), whose sum is σ = 2030984. Its totient is φ = 511680.

The previous prime is 1023419. The next prime is 1023461. The reversal of 1023424 is 4243201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1023398 and 1023407.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7932 + ... + 8059.

2^1023424 is an apocalyptic number.

It is an amenable number.

1023424 is a deficient number, since it is larger than the sum of its proper divisors (1007560).

1023424 is an equidigital number, since it uses as much as digits as its factorization.

1023424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16003 (or 15993 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1023424 is about 1011.6442062306. The cubic root of 1023424 is about 100.7747816312.

Adding to 1023424 its reverse (4243201), we get a palindrome (5266625).

The spelling of 1023424 in words is "one million, twenty-three thousand, four hundred twenty-four".