1230424123 has 4 divisors (see below), whose sum is σ = 1283920848. Its totient is φ = 1176927400.

The previous prime is 1230424109. The next prime is 1230424127. The reversal of 1230424123 is 3214240321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3214240321 = 83 ⋅38725787.

It is a cyclic number.

It is not a de Polignac number, because 1230424123 - 2¹³ = 1230415931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230424094 and 1230424103.

It is not an unprimeable number, because it can be changed into a prime (1230424127) 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, 26748328 + ... + 26748373.

It is an arithmetic number, because the mean of its divisors is an integer number (320980212).

Almost surely, 2^1230424123 is an apocalyptic number.

1230424123 is a deficient number, since it is larger than the sum of its proper divisors (53496725).

1230424123 is an equidigital number, since it uses as much as digits as its factorization.

1230424123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53496724.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1230424123 is about 35077.4018849743. The cubic root of 1230424123 is about 1071.5644053723.

Adding to 1230424123 its reverse (3214240321), we get a palindrome (4444664444).

The spelling of 1230424123 in words is "one billion, two hundred thirty million, four hundred twenty-four thousand, one hundred twenty-three".