42016233 has 16 divisors (see below), whose sum is σ = 64311680. Its totient is φ = 23901696.

The previous prime is 42016217. The next prime is 42016237. The reversal of 42016233 is 33261024.

It is a happy number.

It is not a de Polignac number, because 42016233 - 2⁴ = 42016217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42016237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (4019480).

Almost surely, 2^42016233 is an apocalyptic number.

It is an amenable number.

42016233 is a deficient number, since it is larger than the sum of its proper divisors (22295447).

42016233 is a wasteful number, since it uses less digits than its factorization.

42016233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 42016233 is about 6481.9929805578. The cubic root of 42016233 is about 347.6474415303.

Adding to 42016233 its reverse (33261024), we get a palindrome (75277257).

It can be divided in two parts, 420 and 16233, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 42016233 in words is "forty-two million, sixteen thousand, two hundred thirty-three".