1043623 has 16 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 838656.

The previous prime is 1043617. The next prime is 1043639. The reversal of 1043623 is 3263401.

It is not a de Polignac number, because 1043623 - 2⁵ = 1043591 is a prime.

It is a super-2 number, since 2×1043623² = 2178297932258, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1043623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10711 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2^1043623 is an apocalyptic number.

1043623 is a deficient number, since it is larger than the sum of its proper divisors (226457).

1043623 is an equidigital number, since it uses as much as digits as its factorization.

1043623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1043623 is about 1021.5786802787. The cubic root of 1043623 is about 101.4334539171.

The spelling of 1043623 in words is "one million, forty-three thousand, six hundred twenty-three".