421343235 has 64 divisors (see below), whose sum is σ = 781401600. Its totient is φ = 215208576.

The previous prime is 421343231. The next prime is 421343239. The reversal of 421343235 is 532343124.

421343235 is a `hidden beast` number, since 421 + 3 + 4 + 3 + 235 = 666.

It is an interprime number because it is at equal distance from previous prime (421343231) and next prime (421343239).

It is not a de Polignac number, because 421343235 - 2² = 421343231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 421343199 and 421343208.

It is not an unprimeable number, because it can be changed into a prime (421343231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 334036 + ... + 335294.

It is an arithmetic number, because the mean of its divisors is an integer number (12209400).

Almost surely, 2^421343235 is an apocalyptic number.

421343235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421343235 is a deficient number, since it is larger than the sum of its proper divisors (360058365).

421343235 is a wasteful number, since it uses less digits than its factorization.

421343235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1371 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 421343235 is about 20526.6469497578. The cubic root of 421343235 is about 749.6847475064.

Adding to 421343235 its reverse (532343124), we get a palindrome (953686359).

It can be divided in two parts, 42134 and 3235, that added together give a square (45369 = 213²).

The spelling of 421343235 in words is "four hundred twenty-one million, three hundred forty-three thousand, two hundred thirty-five".