124643423 has 4 divisors (see below), whose sum is σ = 124815600. Its totient is φ = 124471248.

The previous prime is 124643381. The next prime is 124643437. The reversal of 124643423 is 324346421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124643423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124643443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84998 + ... + 86451.

It is an arithmetic number, because the mean of its divisors is an integer number (31203900).

Almost surely, 2^124643423 is an apocalyptic number.

124643423 is a deficient number, since it is larger than the sum of its proper divisors (172177).

124643423 is an equidigital number, since it uses as much as digits as its factorization.

124643423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172176.

The product of its digits is 13824, while the sum is 29.

The square root of 124643423 is about 11164.3818906377. The cubic root of 124643423 is about 499.5241112034.

Adding to 124643423 its reverse (324346421), we get a palindrome (448989844).

The spelling of 124643423 in words is "one hundred twenty-four million, six hundred forty-three thousand, four hundred twenty-three".