223929942 has 16 divisors (see below), whose sum is σ = 450336432. Its totient is φ = 74230560.

The previous prime is 223929919. The next prime is 223929943. The reversal of 223929942 is 249929322.

It is a junction number, because it is equal to n+sod(n) for n = 223929894 and 223929903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223929943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102013 + ... + 104184.

It is an arithmetic number, because the mean of its divisors is an integer number (28146027).

Almost surely, 2^223929942 is an apocalyptic number.

223929942 is an abundant number, since it is smaller than the sum of its proper divisors (226406490).

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

223929942 is a wasteful number, since it uses less digits than its factorization.

223929942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206383.

The product of its digits is 139968, while the sum is 42.

The square root of 223929942 is about 14964.2888905554. The cubic root of 223929942 is about 607.2544730857.

The spelling of 223929942 in words is "two hundred twenty-three million, nine hundred twenty-nine thousand, nine hundred forty-two".