1234340433 has 24 divisors (see below), whose sum is σ = 1799703360. Its totient is φ = 815182560.

The previous prime is 1234340431. The next prime is 1234340447. The reversal of 1234340433 is 3340434321.

It is not a de Polignac number, because 1234340433 - 2¹ = 1234340431 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1234340397 and 1234340406.

It is not an unprimeable number, because it can be changed into a prime (1234340431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816148 + ... + 817658.

It is an arithmetic number, because the mean of its divisors is an integer number (74987640).

Almost surely, 2^1234340433 is an apocalyptic number.

It is an amenable number.

1234340433 is a deficient number, since it is larger than the sum of its proper divisors (565362927).

1234340433 is a wasteful number, since it uses less digits than its factorization.

1234340433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 1234340433 is about 35133.1813674765. The cubic root of 1234340433 is about 1072.7000933985.

Adding to 1234340433 its reverse (3340434321), we get a palindrome (4574774754).

The spelling of 1234340433 in words is "one billion, two hundred thirty-four million, three hundred forty thousand, four hundred thirty-three".