1234433423 has 4 divisors (see below), whose sum is σ = 1274253888. Its totient is φ = 1194612960.

The previous prime is 1234433419. The next prime is 1234433449. The reversal of 1234433423 is 3243344321.

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 1234433423 - 2² = 1234433419 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 (1234423423) 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, 19910186 + ... + 19910247.

It is an arithmetic number, because the mean of its divisors is an integer number (318563472).

Almost surely, 2^1234433423 is an apocalyptic number.

1234433423 is a deficient number, since it is larger than the sum of its proper divisors (39820465).

1234433423 is an equidigital number, since it uses as much as digits as its factorization.

1234433423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39820464.

The product of its digits is 20736, while the sum is 29.

The square root of 1234433423 is about 35134.5047353737. The cubic root of 1234433423 is about 1072.7270302884.

Adding to 1234433423 its reverse (3243344321), we get a palindrome (4477777744).

The spelling of 1234433423 in words is "one billion, two hundred thirty-four million, four hundred thirty-three thousand, four hundred twenty-three".