1043623252 has 48 divisors (see below), whose sum is σ = 2197423872. Its totient is φ = 424005120.

The previous prime is 1043623213. The next prime is 1043623309. The reversal of 1043623252 is 2523263401.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1043623252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65602 + ... + 79942.

It is an arithmetic number, because the mean of its divisors is an integer number (45779664).

Almost surely, 2^1043623252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043623252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098711936).

1043623252 is an abundant number, since it is smaller than the sum of its proper divisors (1153800620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1043623252 is a wasteful number, since it uses less digits than its factorization.

1043623252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14488 (or 14486 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1043623252 is about 32305.1582878029. The cubic root of 1043623252 is about 1014.3346208137.

Adding to 1043623252 its reverse (2523263401), we get a palindrome (3566886653).

The spelling of 1043623252 in words is "one billion, forty-three million, six hundred twenty-three thousand, two hundred fifty-two".