234340413 has 4 divisors (see below), whose sum is σ = 312453888. Its totient is φ = 156226940.

The previous prime is 234340409. The next prime is 234340423. The reversal of 234340413 is 314043432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234340413 - 2² = 234340409 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234340423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39056733 + ... + 39056738.

It is an arithmetic number, because the mean of its divisors is an integer number (78113472).

Almost surely, 2^234340413 is an apocalyptic number.

It is an amenable number.

234340413 is a deficient number, since it is larger than the sum of its proper divisors (78113475).

234340413 is an equidigital number, since it uses as much as digits as its factorization.

234340413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78113474.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 234340413 is about 15308.1812440277. The cubic root of 234340413 is about 616.5226886010.

Adding to 234340413 its reverse (314043432), we get a palindrome (548383845).

The spelling of 234340413 in words is "two hundred thirty-four million, three hundred forty thousand, four hundred thirteen".