223970 has 8 divisors (see below), whose sum is σ = 403164. Its totient is φ = 89584.

The previous prime is 223969. The next prime is 223999. The reversal of 223970 is 79322.

It can be written as a sum of positive squares in 2 ways, for example, as 212521 + 11449 = 461^2 + 107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11189 + ... + 11208.

2²²³⁹⁷⁰ is an apocalyptic number.

223970 is a deficient number, since it is larger than the sum of its proper divisors (179194).

223970 is a wasteful number, since it uses less digits than its factorization.

223970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22404.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 223970 is about 473.2546883022. The cubic root of 223970 is about 60.7290680763.

The spelling of 223970 in words is "two hundred twenty-three thousand, nine hundred seventy".