43011000223 has 2 divisors, whose sum is σ = 43011000224. Its totient is φ = 43011000222.

The previous prime is 43011000203. The next prime is 43011000299. The reversal of 43011000223 is 32200011034.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43011000223 - 2²¹ = 43008903071 is a prime.

It is a super-2 number, since 2×43011000223² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43011000197 and 43011000206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43011000203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21505500111 + 21505500112.

It is an arithmetic number, because the mean of its divisors is an integer number (21505500112).

Almost surely, 2^43011000223 is an apocalyptic number.

43011000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

43011000223 is an equidigital number, since it uses as much as digits as its factorization.

43011000223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 43011000223 its reverse (32200011034), we get a palindrome (75211011257).

The spelling of 43011000223 in words is "forty-three billion, eleven million, two hundred twenty-three", and thus it is an aban number.