420633043 has 8 divisors (see below), whose sum is σ = 425557440. Its totient is φ = 415736040.

The previous prime is 420632977. The next prime is 420633049. The reversal of 420633043 is 340336024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420633043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420632999 and 420633017.

It is not an unprimeable number, because it can be changed into a prime (420633049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24888 + ... + 38218.

It is an arithmetic number, because the mean of its divisors is an integer number (53194680).

Almost surely, 2^420633043 is an apocalyptic number.

420633043 is a deficient number, since it is larger than the sum of its proper divisors (4924397).

420633043 is a wasteful number, since it uses less digits than its factorization.

420633043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13697.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 420633043 is about 20509.3403843225. The cubic root of 420633043 is about 749.2633020867.

Adding to 420633043 its reverse (340336024), we get a palindrome (760969067).

It can be divided in two parts, 4206 and 33043, that added together give a square (37249 = 193²).

The spelling of 420633043 in words is "four hundred twenty million, six hundred thirty-three thousand, forty-three".