240431231223 has 6 divisors (see below), whose sum is σ = 347289556224. Its totient is φ = 160287487476.

The previous prime is 240431231221. The next prime is 240431231237. The reversal of 240431231223 is 322132134042.

240431231223 is a `hidden beast` number, since 2 + 4 + 0 + 431 + 2 + 3 + 1 + 223 = 666.

It is not a de Polignac number, because 240431231223 - 2¹ = 240431231221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240431231221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13357290615 + ... + 13357290632.

It is an arithmetic number, because the mean of its divisors is an integer number (57881592704).

Almost surely, 2^240431231223 is an apocalyptic number.

240431231223 is a deficient number, since it is larger than the sum of its proper divisors (106858325001).

240431231223 is a wasteful number, since it uses less digits than its factorization.

240431231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26714581253 (or 26714581250 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 240431231223 its reverse (322132134042), we get a palindrome (562563365265).

The spelling of 240431231223 in words is "two hundred forty billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred twenty-three".