403144230 has 64 divisors (see below), whose sum is σ = 1036965888. Its totient is φ = 100045440.

The previous prime is 403144229. The next prime is 403144241. The reversal of 403144230 is 32441304.

It is a junction number, because it is equal to n+sod(n) for n = 403144197 and 403144206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17635 + ... + 33425.

It is an arithmetic number, because the mean of its divisors is an integer number (16202592).

Almost surely, 2^403144230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403144230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518482944).

403144230 is an abundant number, since it is smaller than the sum of its proper divisors (633821658).

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

403144230 is a wasteful number, since it uses less digits than its factorization.

403144230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15861.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 403144230 is about 20078.4518825531. The cubic root of 403144230 is about 738.7318369566.

Adding to 403144230 its reverse (32441304), we get a palindrome (435585534).

It can be divided in two parts, 40314 and 4230, that added together give a palindrome (44544).

The spelling of 403144230 in words is "four hundred three million, one hundred forty-four thousand, two hundred thirty".