223377840 has 480 divisors, whose sum is σ = 935940096. Its totient is φ = 46632960.

The previous prime is 223377829. The next prime is 223377899. The reversal of 223377840 is 48773322.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 223377795 and 223377804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4752697 + ... + 4752743.

Almost surely, 2^223377840 is an apocalyptic number.

223377840 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 223377840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467970048).

223377840 is an abundant number, since it is smaller than the sum of its proper divisors (712562256).

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

223377840 is a wasteful number, since it uses less digits than its factorization.

223377840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 223377840 is about 14945.8301877146. The cubic root of 223377840 is about 606.7549979394.

The spelling of 223377840 in words is "two hundred twenty-three million, three hundred seventy-seven thousand, eight hundred forty".