223211231430 has 128 divisors (see below), whose sum is σ = 589392308736. Its totient is φ = 53651020800.

The previous prime is 223211231423. The next prime is 223211231437. The reversal of 223211231430 is 34132112322.

It is an interprime number because it is at equal distance from previous prime (223211231423) and next prime (223211231437).

It is a super-3 number, since 3×223211231430³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223211231430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223211231437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85291482 + ... + 85294098.

It is an arithmetic number, because the mean of its divisors is an integer number (4604627412).

Almost surely, 2^223211231430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223211231430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294696154368).

223211231430 is an abundant number, since it is smaller than the sum of its proper divisors (366181077306).

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

223211231430 is a wasteful number, since it uses less digits than its factorization.

223211231430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 223211231430 its reverse (34132112322), we get a palindrome (257343343752).

The spelling of 223211231430 in words is "two hundred twenty-three billion, two hundred eleven million, two hundred thirty-one thousand, four hundred thirty".