231252234443 has 2 divisors, whose sum is σ = 231252234444. Its totient is φ = 231252234442.

The previous prime is 231252234439. The next prime is 231252234461. The reversal of 231252234443 is 344432252132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231252234443 - 2² = 231252234439 is a prime.

It is not a weakly prime, because it can be changed into another prime (231252234413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115626117221 + 115626117222.

It is an arithmetic number, because the mean of its divisors is an integer number (115626117222).

Almost surely, 2^231252234443 is an apocalyptic number.

231252234443 is a deficient number, since it is larger than the sum of its proper divisors (1).

231252234443 is an equidigital number, since it uses as much as digits as its factorization.

231252234443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 35.

Adding to 231252234443 its reverse (344432252132), we get a palindrome (575684486575).

The spelling of 231252234443 in words is "two hundred thirty-one billion, two hundred fifty-two million, two hundred thirty-four thousand, four hundred forty-three".