223113720 has 32 divisors (see below), whose sum is σ = 669341520. Its totient is φ = 59496960.

The previous prime is 223113697. The next prime is 223113739. The reversal of 223113720 is 27311322.

It is a super-3 number, since 3×223113720³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929521 + ... + 929760.

Almost surely, 2^223113720 is an apocalyptic number.

223113720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223113720 is an abundant number, since it is smaller than the sum of its proper divisors (446227800).

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

223113720 is a wasteful number, since it uses less digits than its factorization.

223113720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859295 (or 1859291 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 223113720 is about 14936.9916649906. The cubic root of 223113720 is about 606.5157630279.

It can be divided in two parts, 2231 and 13720, that added together give a palindrome (15951).

The spelling of 223113720 in words is "two hundred twenty-three million, one hundred thirteen thousand, seven hundred twenty".