43131863023 has 2 divisors, whose sum is σ = 43131863024. Its totient is φ = 43131863022.

The previous prime is 43131863017. The next prime is 43131863057. The reversal of 43131863023 is 32036813134.

It is an a-pointer prime, because the next prime (43131863057) can be obtained adding 43131863023 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43131863023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43131863023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43131863323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21565931511 + 21565931512.

It is an arithmetic number, because the mean of its divisors is an integer number (21565931512).

Almost surely, 2^43131863023 is an apocalyptic number.

43131863023 is a deficient number, since it is larger than the sum of its proper divisors (1).

43131863023 is an equidigital number, since it uses as much as digits as its factorization.

43131863023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 43131863023 in words is "forty-three billion, one hundred thirty-one million, eight hundred sixty-three thousand, twenty-three".