123030043 has 2 divisors, whose sum is σ = 123030044. Its totient is φ = 123030042.

The previous prime is 123030029. The next prime is 123030049. The reversal of 123030043 is 340030321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123030043 - 2⁹ = 123029531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123029999 and 123030026.

It is not a weakly prime, because it can be changed into another prime (123030049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515021 + 61515022.

It is an arithmetic number, because the mean of its divisors is an integer number (61515022).

Almost surely, 2^123030043 is an apocalyptic number.

123030043 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030043 is an equidigital number, since it uses as much as digits as its factorization.

123030043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 123030043 is about 11091.8908667549. The cubic root of 123030043 is about 497.3594704215.

Adding to 123030043 its reverse (340030321), we get a palindrome (463060364).

The spelling of 123030043 in words is "one hundred twenty-three million, thirty thousand, forty-three".