123424000001 has 4 divisors (see below), whose sum is σ = 125752754772. Its totient is φ = 121095245232.

The previous prime is 123423999973. The next prime is 123424000031. The reversal of 123424000001 is 100000424321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105953505025 + 17470494976 = 325505^2 + 132176^2 .

It is a cyclic number.

It is not a de Polignac number, because 123424000001 - 2²² = 123419805697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123424000031) 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, 1164377306 + ... + 1164377411.

It is an arithmetic number, because the mean of its divisors is an integer number (31438188693).

Almost surely, 2^123424000001 is an apocalyptic number.

It is an amenable number.

123424000001 is a deficient number, since it is larger than the sum of its proper divisors (2328754771).

123424000001 is an equidigital number, since it uses as much as digits as its factorization.

123424000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328754770.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 123424000001 its reverse (100000424321), we get a palindrome (223424424322).

The spelling of 123424000001 in words is "one hundred twenty-three billion, four hundred twenty-four million, one", and thus it is an aban number.