1023243 has 8 divisors (see below), whose sum is σ = 1469328. Its totient is φ = 629664.

The previous prime is 1023229. The next prime is 1023257. The reversal of 1023243 is 3423201.

It is an interprime number because it is at equal distance from previous prime (1023229) and next prime (1023257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023243 - 2⁴ = 1023227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13080 + ... + 13157.

It is an arithmetic number, because the mean of its divisors is an integer number (183666).

2^1023243 is an apocalyptic number.

1023243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1023243 is a deficient number, since it is larger than the sum of its proper divisors (446085).

1023243 is a wasteful number, since it uses less digits than its factorization.

1023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26253.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1023243 is about 1011.5547439462. The cubic root of 1023243 is about 100.7688403625.

Adding to 1023243 its reverse (3423201), we get a palindrome (4446444).

The spelling of 1023243 in words is "one million, twenty-three thousand, two hundred forty-three".