43163123 has 2 divisors, whose sum is σ = 43163124. Its totient is φ = 43163122.

The previous prime is 43163093. The next prime is 43163137. The reversal of 43163123 is 32136134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43163123 is a prime.

It is a super-2 number, since 2×43163123² = 3726110374226258, which contains 22 as substring.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (43163143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21581561 + 21581562.

It is an arithmetic number, because the mean of its divisors is an integer number (21581562).

Almost surely, 2^43163123 is an apocalyptic number.

43163123 is a deficient number, since it is larger than the sum of its proper divisors (1).

43163123 is an equidigital number, since it uses as much as digits as its factorization.

43163123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 43163123 is about 6569.8647626873. The cubic root of 43163123 is about 350.7822584940.

Adding to 43163123 its reverse (32136134), we get a palindrome (75299257).

The spelling of 43163123 in words is "forty-three million, one hundred sixty-three thousand, one hundred twenty-three".