223021302030 has 48 divisors (see below), whose sum is σ = 579954997440. Its totient is φ = 59462130624.

The previous prime is 223021302011. The next prime is 223021302047. The reversal of 223021302030 is 30203120322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223021301994 and 223021302012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321376 + ... + 741164.

It is an arithmetic number, because the mean of its divisors is an integer number (12082395780).

Almost surely, 2^223021302030 is an apocalyptic number.

223021302030 is an abundant number, since it is smaller than the sum of its proper divisors (356933695410).

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

223021302030 is a wasteful number, since it uses less digits than its factorization.

223021302030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425705 (or 425702 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 223021302030 its reverse (30203120322), we get a palindrome (253224422352).

The spelling of 223021302030 in words is "two hundred twenty-three billion, twenty-one million, three hundred two thousand, thirty".