223688380 has 48 divisors (see below), whose sum is σ = 500786496. Its totient is φ = 83635200.

The previous prime is 223688371. The next prime is 223688389. The reversal of 223688380 is 83886322.

It is an interprime number because it is at equal distance from previous prime (223688371) and next prime (223688389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223688389) 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, 49162 + ... + 53518.

It is an arithmetic number, because the mean of its divisors is an integer number (10433052).

Almost surely, 2^223688380 is an apocalyptic number.

223688380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223688380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250393248).

223688380 is an abundant number, since it is smaller than the sum of its proper divisors (277098116).

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

223688380 is a wasteful number, since it uses less digits than its factorization.

223688380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 223688380 is about 14956.2154303821. The cubic root of 223688380 is about 607.0360381264.

The spelling of 223688380 in words is "two hundred twenty-three million, six hundred eighty-eight thousand, three hundred eighty".