223733943 has 6 divisors (see below), whose sum is σ = 323171264. Its totient is φ = 149155956.

The previous prime is 223733891. The next prime is 223733969. The reversal of 223733943 is 349337322.

It is a happy number.

It is not a de Polignac number, because 223733943 - 2⁶ = 223733879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223733898 and 223733907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223733143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12429655 + ... + 12429672.

Almost surely, 2^223733943 is an apocalyptic number.

223733943 is a deficient number, since it is larger than the sum of its proper divisors (99437321).

223733943 is a wasteful number, since it uses less digits than its factorization.

223733943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24859333 (or 24859330 counting only the distinct ones).

The product of its digits is 81648, while the sum is 36.

The square root of 223733943 is about 14957.7385657057. The cubic root of 223733943 is about 607.0772509740.

It can be divided in two parts, 223733 and 943, that added together give a square (224676 = 474²).

The spelling of 223733943 in words is "two hundred twenty-three million, seven hundred thirty-three thousand, nine hundred forty-three".