43120093 has 2 divisors, whose sum is σ = 43120094. Its totient is φ = 43120092.

The previous prime is 43120081. The next prime is 43120097. The reversal of 43120093 is 39002134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32867289 + 10252804 = 5733^2 + 3202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43120093 is a prime.

It is a super-3 number, since 3×43120093³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43120097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21560046 + 21560047.

It is an arithmetic number, because the mean of its divisors is an integer number (21560047).

Almost surely, 2^43120093 is an apocalyptic number.

It is an amenable number.

43120093 is a deficient number, since it is larger than the sum of its proper divisors (1).

43120093 is an equidigital number, since it uses as much as digits as its factorization.

43120093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 43120093 is about 6566.5891450585. The cubic root of 43120093 is about 350.6656529429.

The spelling of 43120093 in words is "forty-three million, one hundred twenty thousand, ninety-three".