43444232112431 has 2 divisors, whose sum is σ = 43444232112432. Its totient is φ = 43444232112430.

The previous prime is 43444232112377. The next prime is 43444232112439. The reversal of 43444232112431 is 13421123244434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43444232112431 - 2¹⁰ = 43444232111407 is a prime.

It is a super-2 number, since 2×43444232112431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43444232112439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21722116056215 + 21722116056216.

It is an arithmetic number, because the mean of its divisors is an integer number (21722116056216).

Almost surely, 2^{43444232112431} is an apocalyptic number.

43444232112431 is a deficient number, since it is larger than the sum of its proper divisors (1).

43444232112431 is an equidigital number, since it uses as much as digits as its factorization.

43444232112431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 38.

Adding to 43444232112431 its reverse (13421123244434), we get a palindrome (56865355356865).

The spelling of 43444232112431 in words is "forty-three trillion, four hundred forty-four billion, two hundred thirty-two million, one hundred twelve thousand, four hundred thirty-one".