434400434423 has 2 divisors, whose sum is σ = 434400434424. Its totient is φ = 434400434422.

The previous prime is 434400434387. The next prime is 434400434431. The reversal of 434400434423 is 324434004434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434400434423 - 2³⁴ = 417220565239 is a prime.

It is a super-2 number, since 2×434400434423² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434400434443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217200217211 + 217200217212.

It is an arithmetic number, because the mean of its divisors is an integer number (217200217212).

Almost surely, 2^434400434423 is an apocalyptic number.

434400434423 is a deficient number, since it is larger than the sum of its proper divisors (1).

434400434423 is an equidigital number, since it uses as much as digits as its factorization.

434400434423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 434400434423 its reverse (324434004434), we get a palindrome (758834438857).

The spelling of 434400434423 in words is "four hundred thirty-four billion, four hundred million, four hundred thirty-four thousand, four hundred twenty-three".