420343411 has 4 divisors (see below), whose sum is σ = 445069512. Its totient is φ = 395617312.

The previous prime is 420343409. The next prime is 420343459. The reversal of 420343411 is 114343024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420343411 - 2¹ = 420343409 is a prime.

It is a super-2 number, since 2×420343411² = 353377166342229842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420343481) 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 in 3 ways as a sum of consecutive naturals, for example, 12363025 + ... + 12363058.

It is an arithmetic number, because the mean of its divisors is an integer number (111267378).

Almost surely, 2^420343411 is an apocalyptic number.

420343411 is a deficient number, since it is larger than the sum of its proper divisors (24726101).

420343411 is a wasteful number, since it uses less digits than its factorization.

420343411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24726100.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 420343411 is about 20502.2781904841. The cubic root of 420343411 is about 749.0912911460.

Adding to 420343411 its reverse (114343024), we get a palindrome (534686435).

The spelling of 420343411 in words is "four hundred twenty million, three hundred forty-three thousand, four hundred eleven".