1232240423 has 4 divisors (see below), whose sum is σ = 1232335560. Its totient is φ = 1232145288.

The previous prime is 1232240417. The next prime is 1232240453. The reversal of 1232240423 is 3240422321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1232240423 - 2⁸ = 1232240167 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 (1232240453) 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, 24368 + ... + 55301.

It is an arithmetic number, because the mean of its divisors is an integer number (308083890).

Almost surely, 2^1232240423 is an apocalyptic number.

1232240423 is a deficient number, since it is larger than the sum of its proper divisors (95137).

1232240423 is an equidigital number, since it uses as much as digits as its factorization.

1232240423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95136.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1232240423 is about 35103.2822254558. The cubic root of 1232240423 is about 1072.0914121457.

Adding to 1232240423 its reverse (3240422321), we get a palindrome (4472662744).

The spelling of 1232240423 in words is "one billion, two hundred thirty-two million, two hundred forty thousand, four hundred twenty-three".