231223120110 has 24 divisors (see below), whose sum is σ = 601180112520. Its totient is φ = 61659498672.

The previous prime is 231223120097. The next prime is 231223120111. The reversal of 231223120110 is 11021322132.

231223120110 is a `hidden beast` number, since 231 + 2 + 231 + 201 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231223120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284572800 + ... + 1284572979.

It is an arithmetic number, because the mean of its divisors is an integer number (25049171355).

Almost surely, 2^231223120110 is an apocalyptic number.

231223120110 is an abundant number, since it is smaller than the sum of its proper divisors (369956992410).

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

231223120110 is a wasteful number, since it uses less digits than its factorization.

231223120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569145792 (or 2569145789 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231223120110 its reverse (11021322132), we get a palindrome (242244442242).

The spelling of 231223120110 in words is "two hundred thirty-one billion, two hundred twenty-three million, one hundred twenty thousand, one hundred ten".