223030302320 has 80 divisors (see below), whose sum is σ = 613058708160. Its totient is φ = 73830715392.

The previous prime is 223030302289. The next prime is 223030302337. The reversal of 223030302320 is 23203030322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 223030302292 and 223030302301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6850457 + ... + 6882936.

It is an arithmetic number, because the mean of its divisors is an integer number (7663233852).

Almost surely, 2^223030302320 is an apocalyptic number.

223030302320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223030302320 is an abundant number, since it is smaller than the sum of its proper divisors (390028405840).

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

223030302320 is a wasteful number, since it uses less digits than its factorization.

223030302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13733442 (or 13733436 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 223030302320 its reverse (23203030322), we get a palindrome (246233332642).

The spelling of 223030302320 in words is "two hundred twenty-three billion, thirty million, three hundred two thousand, three hundred twenty".