1234130423 has 4 divisors (see below), whose sum is σ = 1234748568. Its totient is φ = 1233512280.

The previous prime is 1234130407. The next prime is 1234130431. The reversal of 1234130423 is 3240314321.

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

It is a cyclic number.

It is not a de Polignac number, because 1234130423 - 2⁴ = 1234130407 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 (1234130923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306068 + ... + 310073.

It is an arithmetic number, because the mean of its divisors is an integer number (308687142).

Almost surely, 2^1234130423 is an apocalyptic number.

1234130423 is a deficient number, since it is larger than the sum of its proper divisors (618145).

1234130423 is an equidigital number, since it uses as much as digits as its factorization.

1234130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618144.

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

The square root of 1234130423 is about 35130.1924702954. The cubic root of 1234130423 is about 1072.6392537474.

Adding to 1234130423 its reverse (3240314321), we get a palindrome (4474444744).

The spelling of 1234130423 in words is "one billion, two hundred thirty-four million, one hundred thirty thousand, four hundred twenty-three".