43023768455189 has 2 divisors, whose sum is σ = 43023768455190. Its totient is φ = 43023768455188.

The previous prime is 43023768455177. The next prime is 43023768455203. The reversal of 43023768455189 is 98155486732034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30419173868164 + 12604594587025 = 5515358^2 + 3550295^2 .

It is a cyclic number.

It is not a de Polignac number, because 43023768455189 - 2³⁶ = 42955048978453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43023768455119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21511884227594 + 21511884227595.

It is an arithmetic number, because the mean of its divisors is an integer number (21511884227595).

It is a 1-persistent number, because it is pandigital, but 2⋅43023768455189 = 86047536910378 is not.

Almost surely, 2^{43023768455189} is an apocalyptic number.

It is an amenable number.

43023768455189 is a deficient number, since it is larger than the sum of its proper divisors (1).

43023768455189 is an equidigital number, since it uses as much as digits as its factorization.

43023768455189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174182400, while the sum is 65.

The spelling of 43023768455189 in words is "forty-three trillion, twenty-three billion, seven hundred sixty-eight million, four hundred fifty-five thousand, one hundred eighty-nine".