223030040 has 32 divisors (see below), whose sum is σ = 512498880. Its totient is φ = 87313152.

The previous prime is 223030013. The next prime is 223030061. The reversal of 223030040 is 40030322.

It is a junction number, because it is equal to n+sod(n) for n = 223029997 and 223030024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57437 + ... + 61196.

It is an arithmetic number, because the mean of its divisors is an integer number (16015590).

Almost surely, 2^223030040 is an apocalyptic number.

223030040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223030040 is an abundant number, since it is smaller than the sum of its proper divisors (289468840).

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

223030040 is a wasteful number, since it uses less digits than its factorization.

223030040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118691 (or 118687 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 223030040 is about 14934.1903027918. The cubic root of 223030040 is about 606.4399278806.

Adding to 223030040 its reverse (40030322), we get a palindrome (263060362).

The spelling of 223030040 in words is "two hundred twenty-three million, thirty thousand, forty".