223390312530 has 720 divisors, whose sum is σ = 735791418432. Its totient is φ = 43356297600.

The previous prime is 223390312501. The next prime is 223390312543. The reversal of 223390312530 is 35213093322.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223390312491 and 223390312500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 3146342395 + ... + 3146342465.

Almost surely, 2^223390312530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223390312530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367895709216).

223390312530 is an abundant number, since it is smaller than the sum of its proper divisors (512401105902).

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

223390312530 is a wasteful number, since it uses less digits than its factorization.

223390312530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

The spelling of 223390312530 in words is "two hundred twenty-three billion, three hundred ninety million, three hundred twelve thousand, five hundred thirty".