421110233 has 8 divisors (see below), whose sum is σ = 422897256. Its totient is φ = 419328000.

The previous prime is 421110227. The next prime is 421110241. The reversal of 421110233 is 332011124.

It can be written as a sum of positive squares in 4 ways, for example, as 13191424 + 407918809 = 3632^2 + 20197^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 421110233 - 2¹² = 421106137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421110203) 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, 350033 + ... + 351233.

It is an arithmetic number, because the mean of its divisors is an integer number (52862157).

Almost surely, 2^421110233 is an apocalyptic number.

It is an amenable number.

421110233 is a deficient number, since it is larger than the sum of its proper divisors (1787023).

421110233 is a wasteful number, since it uses less digits than its factorization.

421110233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 421110233 is about 20520.9705667154. The cubic root of 421110233 is about 749.5465306167.

Adding to 421110233 its reverse (332011124), we get a palindrome (753121357).

The spelling of 421110233 in words is "four hundred twenty-one million, one hundred ten thousand, two hundred thirty-three".