231223332231320 has 64 divisors (see below), whose sum is σ = 611205731367840. Its totient is φ = 77613426201600.

The previous prime is 231223332231293. The next prime is 231223332231341. The reversal of 231223332231320 is 23132233322132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20211824021 + ... + 20211835460.

Almost surely, 2^{231223332231320} is an apocalyptic number.

231223332231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231223332231320 is an abundant number, since it is smaller than the sum of its proper divisors (379982399136520).

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

231223332231320 is a wasteful number, since it uses less digits than its factorization.

231223332231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40423659516 (or 40423659512 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 231223332231320 its reverse (23132233322132), we get a palindrome (254355565553452).

The spelling of 231223332231320 in words is "two hundred thirty-one trillion, two hundred twenty-three billion, three hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty".