233223745 has 4 divisors (see below), whose sum is σ = 279868500. Its totient is φ = 186578992.

The previous prime is 233223743. The next prime is 233223761. The reversal of 233223745 is 547322332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62869041 + 170354704 = 7929^2 + 13052^2 .

It is a cyclic number.

It is not a de Polignac number, because 233223745 - 2¹ = 233223743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233223743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23322370 + ... + 23322379.

It is an arithmetic number, because the mean of its divisors is an integer number (69967125).

Almost surely, 2^233223745 is an apocalyptic number.

It is an amenable number.

233223745 is a deficient number, since it is larger than the sum of its proper divisors (46644755).

233223745 is an equidigital number, since it uses as much as digits as its factorization.

233223745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46644754.

The product of its digits is 30240, while the sum is 31.

The square root of 233223745 is about 15271.6647750008. The cubic root of 233223745 is about 615.5418539567.

The spelling of 233223745 in words is "two hundred thirty-three million, two hundred twenty-three thousand, seven hundred forty-five".