223223420004040 has 64 divisors (see below), whose sum is σ = 502785987770160. Its totient is φ = 89194570951680.

The previous prime is 223223420004001. The next prime is 223223420004049. The reversal of 223223420004040 is 40400024322322.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 144625301352676 + 78598118651364 = 12026026^2 + 8865558^2 .

It is a super-3 number, since 3×223223420004040³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223223420004049) 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, 718203070 + ... + 718513810.

Almost surely, 2^{223223420004040} is an apocalyptic number.

223223420004040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223223420004040 is an abundant number, since it is smaller than the sum of its proper divisors (279562567766120).

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

223223420004040 is a wasteful number, since it uses less digits than its factorization.

223223420004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329762 (or 329758 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 223223420004040 its reverse (40400024322322), we get a palindrome (263623444326362).

The spelling of 223223420004040 in words is "two hundred twenty-three trillion, two hundred twenty-three billion, four hundred twenty million, four thousand, forty".