503233400 has 48 divisors (see below), whose sum is σ = 1175148000. Its totient is φ = 200410880.

The previous prime is 503233391. The next prime is 503233417. The reversal of 503233400 is 4332305.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41201 + ... + 51999.

It is an arithmetic number, because the mean of its divisors is an integer number (24482250).

Almost surely, 2^503233400 is an apocalyptic number.

503233400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503233400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587574000).

503233400 is an abundant number, since it is smaller than the sum of its proper divisors (671914600).

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

503233400 is a wasteful number, since it uses less digits than its factorization.

503233400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11048 (or 11039 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 503233400 is about 22432.8642843485. The cubic root of 503233400 is about 795.4077520130.

Adding to 503233400 its reverse (4332305), we get a palindrome (507565705).

The spelling of 503233400 in words is "five hundred three million, two hundred thirty-three thousand, four hundred".