223405040331 has 32 divisors (see below), whose sum is σ = 370817011200. Its totient is φ = 131737609440.

The previous prime is 223405040321. The next prime is 223405040333. The reversal of 223405040331 is 133040504322.

223405040331 is a `hidden beast` number, since 223 + 4 + 0 + 5 + 0 + 403 + 31 = 666.

223405040331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223405040331 - 2⁷ = 223405040203 is a prime.

It is a super-2 number, since 2×223405040331² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 223405040295 and 223405040304.

It is not an unprimeable number, because it can be changed into a prime (223405040333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10153951 + ... + 10175928.

It is an arithmetic number, because the mean of its divisors is an integer number (11588031600).

Almost surely, 2^223405040331 is an apocalyptic number.

223405040331 is a deficient number, since it is larger than the sum of its proper divisors (147411970869).

223405040331 is a wasteful number, since it uses less digits than its factorization.

223405040331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20329936 (or 20329930 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 223405040331 its reverse (133040504322), we get a palindrome (356445544653).

The spelling of 223405040331 in words is "two hundred twenty-three billion, four hundred five million, forty thousand, three hundred thirty-one".