234420303743917 has 2 divisors, whose sum is σ = 234420303743918. Its totient is φ = 234420303743916.

The previous prime is 234420303743863. The next prime is 234420303743921. The reversal of 234420303743917 is 719347303024432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210637066982281 + 23783236761636 = 14513341^2 + 4876806^2 .

It is a cyclic number.

It is not a de Polignac number, because 234420303743917 - 2¹⁵ = 234420303711149 is a prime.

It is a super-2 number, since 2×234420303743917² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234420303743987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117210151871958 + 117210151871959.

It is an arithmetic number, because the mean of its divisors is an integer number (117210151871959).

Almost surely, 2^{234420303743917} is an apocalyptic number.

It is an amenable number.

234420303743917 is a deficient number, since it is larger than the sum of its proper divisors (1).

234420303743917 is an equidigital number, since it uses as much as digits as its factorization.

234420303743917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 52.

The spelling of 234420303743917 in words is "two hundred thirty-four trillion, four hundred twenty billion, three hundred three million, seven hundred forty-three thousand, nine hundred seventeen".