223540130 has 32 divisors (see below), whose sum is σ = 462058560. Its totient is φ = 77008320.

The previous prime is 223540129. The next prime is 223540139. The reversal of 223540130 is 31045322.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223540139) 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, 51389 + ... + 55568.

It is an arithmetic number, because the mean of its divisors is an integer number (14439330).

Almost surely, 2^223540130 is an apocalyptic number.

223540130 is an abundant number, since it is smaller than the sum of its proper divisors (238518430).

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

223540130 is a wasteful number, since it uses less digits than its factorization.

223540130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106994.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 223540130 is about 14951.2584754595. The cubic root of 223540130 is about 606.9019036354.

Adding to 223540130 its reverse (31045322), we get a palindrome (254585452).

The spelling of 223540130 in words is "two hundred twenty-three million, five hundred forty thousand, one hundred thirty".