403243223120 has 20 divisors (see below), whose sum is σ = 937540493940. Its totient is φ = 161297289216.

The previous prime is 403243223111. The next prime is 403243223129. The reversal of 403243223120 is 21322342304.

It is an interprime number because it is at equal distance from previous prime (403243223111) and next prime (403243223129).

It can be written as a sum of positive squares in 2 ways, for example, as 67149393424 + 336093829696 = 259132^2 + 579736^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×403243223120² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 403243223120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403243223129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520270065 + ... + 2520270224.

It is an arithmetic number, because the mean of its divisors is an integer number (46877024697).

Almost surely, 2^403243223120 is an apocalyptic number.

403243223120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403243223120 is an abundant number, since it is smaller than the sum of its proper divisors (534297270820).

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

403243223120 is a wasteful number, since it uses less digits than its factorization.

403243223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040540302 (or 5040540296 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 403243223120 its reverse (21322342304), we get a palindrome (424565565424).

The spelling of 403243223120 in words is "four hundred three billion, two hundred forty-three million, two hundred twenty-three thousand, one hundred twenty".