223690347 has 12 divisors (see below), whose sum is σ = 323242920. Its totient is φ = 149064768.

The previous prime is 223690309. The next prime is 223690361. The reversal of 223690347 is 743096322.

It is a happy number.

223690347 is a `hidden beast` number, since 223 + 6 + 90 + 347 = 666.

It is not a de Polignac number, because 223690347 - 2⁸ = 223690091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223692347) 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 11 ways as a sum of consecutive naturals, for example, 30723 + ... + 37299.

It is an arithmetic number, because the mean of its divisors is an integer number (26936910).

Almost surely, 2^223690347 is an apocalyptic number.

223690347 is a deficient number, since it is larger than the sum of its proper divisors (99552573).

223690347 is a wasteful number, since it uses less digits than its factorization.

223690347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362 (or 10359 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 223690347 is about 14956.2811888517. The cubic root of 223690347 is about 607.0378174416.

The spelling of 223690347 in words is "two hundred twenty-three million, six hundred ninety thousand, three hundred forty-seven".