234311344409 has 2 divisors, whose sum is σ = 234311344410. Its totient is φ = 234311344408.

The previous prime is 234311344387. The next prime is 234311344459. The reversal of 234311344409 is 904443113432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120339610000 + 113971734409 = 346900^2 + 337597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234311344409 is a prime.

It is a super-2 number, since 2×234311344409² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234311344459) 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 as a sum of consecutive naturals, namely, 117155672204 + 117155672205.

It is an arithmetic number, because the mean of its divisors is an integer number (117155672205).

Almost surely, 2^234311344409 is an apocalyptic number.

It is an amenable number.

234311344409 is a deficient number, since it is larger than the sum of its proper divisors (1).

234311344409 is an equidigital number, since it uses as much as digits as its factorization.

234311344409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 234311344409 in words is "two hundred thirty-four billion, three hundred eleven million, three hundred forty-four thousand, four hundred nine".