123034243 has 2 divisors, whose sum is σ = 123034244. Its totient is φ = 123034242.

The previous prime is 123034231. The next prime is 123034279. The reversal of 123034243 is 342430321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123034243 - 2²⁵ = 89479811 is a prime.

It is not a weakly prime, because it can be changed into another prime (123034343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61517121 + 61517122.

It is an arithmetic number, because the mean of its divisors is an integer number (61517122).

Almost surely, 2^123034243 is an apocalyptic number.

123034243 is a deficient number, since it is larger than the sum of its proper divisors (1).

123034243 is an equidigital number, since it uses as much as digits as its factorization.

123034243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 123034243 is about 11092.0801926420. The cubic root of 123034243 is about 497.3651299768.

Adding to 123034243 its reverse (342430321), we get a palindrome (465464564).

The spelling of 123034243 in words is "one hundred twenty-three million, thirty-four thousand, two hundred forty-three".