223987320 has 48 divisors (see below), whose sum is σ = 727959960. Its totient is φ = 59729856.

The previous prime is 223987297. The next prime is 223987339. The reversal of 223987320 is 23789322.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310734 + ... + 311453.

Almost surely, 2^223987320 is an apocalyptic number.

223987320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223987320 is an abundant number, since it is smaller than the sum of its proper divisors (503972640).

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

223987320 is a wasteful number, since it uses less digits than its factorization.

223987320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622204 (or 622197 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 223987320 is about 14966.2059320323. The cubic root of 223987320 is about 607.3063346505.

The spelling of 223987320 in words is "two hundred twenty-three million, nine hundred eighty-seven thousand, three hundred twenty".