427344343 has 2 divisors, whose sum is σ = 427344344. Its totient is φ = 427344342.

The previous prime is 427344311. The next prime is 427344349. The reversal of 427344343 is 343443724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427344343 - 2⁵ = 427344311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427344299 and 427344308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427344349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213672171 + 213672172.

It is an arithmetic number, because the mean of its divisors is an integer number (213672172).

Almost surely, 2^427344343 is an apocalyptic number.

427344343 is a deficient number, since it is larger than the sum of its proper divisors (1).

427344343 is an equidigital number, since it uses as much as digits as its factorization.

427344343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 34.

The square root of 427344343 is about 20672.3086035401. The cubic root of 427344343 is about 753.2271859256.

The spelling of 427344343 in words is "four hundred twenty-seven million, three hundred forty-four thousand, three hundred forty-three".