1043523 has 20 divisors (see below), whose sum is σ = 1680448. Its totient is φ = 641520.

The previous prime is 1043521. The next prime is 1043531. The reversal of 1043523 is 3253401.

It is not a de Polignac number, because 1043523 - 2¹ = 1043521 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1043496 and 1043505.

It is not an unprimeable number, because it can be changed into a prime (1043521) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 558 + ... + 1548.

2^1043523 is an apocalyptic number.

1043523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1043523 is a deficient number, since it is larger than the sum of its proper divisors (636925).

1043523 is an equidigital number, since it uses as much as digits as its factorization.

1043523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1043523 is about 1021.5297352500. The cubic root of 1043523 is about 101.4302140277.

Adding to 1043523 its reverse (3253401), we get a palindrome (4296924).

The spelling of 1043523 in words is "one million, forty-three thousand, five hundred twenty-three".