124343123 has 2 divisors, whose sum is σ = 124343124. Its totient is φ = 124343122.

The previous prime is 124343113. The next prime is 124343137. The reversal of 124343123 is 321343421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124343123 - 2²⁶ = 57234259 is a prime.

It is a super-2 number, since 2×124343123² = 30922424474786258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124343113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62171561 + 62171562.

It is an arithmetic number, because the mean of its divisors is an integer number (62171562).

Almost surely, 2^124343123 is an apocalyptic number.

124343123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124343123 is an equidigital number, since it uses as much as digits as its factorization.

124343123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 124343123 is about 11150.9247598574. The cubic root of 124343123 is about 499.1226253279.

Adding to 124343123 its reverse (321343421), we get a palindrome (445686544).

The spelling of 124343123 in words is "one hundred twenty-four million, three hundred forty-three thousand, one hundred twenty-three".