231223310 has 8 divisors (see below), whose sum is σ = 416201976. Its totient is φ = 92489320.

The previous prime is 231223297. The next prime is 231223373. The reversal of 231223310 is 13322132.

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

It is a super-2 number, since 2×231223310² = 106928438174712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11561156 + ... + 11561175.

It is an arithmetic number, because the mean of its divisors is an integer number (52025247).

Almost surely, 2^231223310 is an apocalyptic number.

231223310 is a deficient number, since it is larger than the sum of its proper divisors (184978666).

231223310 is a wasteful number, since it uses less digits than its factorization.

231223310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23122338.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 231223310 is about 15206.0287386286. The cubic root of 231223310 is about 613.7768980100.

Adding to 231223310 its reverse (13322132), we get a palindrome (244545442).

The spelling of 231223310 in words is "two hundred thirty-one million, two hundred twenty-three thousand, three hundred ten".