223929939 has 16 divisors (see below), whose sum is σ = 306028800. Its totient is φ = 145570656.

The previous prime is 223929919. The next prime is 223929943. The reversal of 223929939 is 939929322.

It is not a de Polignac number, because 223929939 - 2⁹ = 223929427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223929919) 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, 107197 + ... + 109265.

It is an arithmetic number, because the mean of its divisors is an integer number (19126800).

Almost surely, 2^223929939 is an apocalyptic number.

223929939 is a deficient number, since it is larger than the sum of its proper divisors (82098861).

223929939 is a wasteful number, since it uses less digits than its factorization.

223929939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954.

The product of its digits is 472392, while the sum is 48.

The square root of 223929939 is about 14964.2887903168. The cubic root of 223929939 is about 607.2544703739.

The spelling of 223929939 in words is "two hundred twenty-three million, nine hundred twenty-nine thousand, nine hundred thirty-nine".