234423742213 has 2 divisors, whose sum is σ = 234423742214. Its totient is φ = 234423742212.

The previous prime is 234423742177. The next prime is 234423742247. The reversal of 234423742213 is 312247324432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189802249569 + 44621492644 = 435663^2 + 211238^2 .

It is a cyclic number.

It is not a de Polignac number, because 234423742213 - 2⁹ = 234423741701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234423742013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117211871106 + 117211871107.

It is an arithmetic number, because the mean of its divisors is an integer number (117211871107).

Almost surely, 2^234423742213 is an apocalyptic number.

It is an amenable number.

234423742213 is a deficient number, since it is larger than the sum of its proper divisors (1).

234423742213 is an equidigital number, since it uses as much as digits as its factorization.

234423742213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 37.

The spelling of 234423742213 in words is "two hundred thirty-four billion, four hundred twenty-three million, seven hundred forty-two thousand, two hundred thirteen".