42043233 has 8 divisors (see below), whose sum is σ = 56135296. Its totient is φ = 27990000.

The previous prime is 42043229. The next prime is 42043249. The reversal of 42043233 is 33234024.

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

It is not a de Polignac number, because 42043233 - 2² = 42043229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42043273) 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, 7078 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (7016912).

Almost surely, 2^42043233 is an apocalyptic number.

It is an amenable number.

42043233 is a deficient number, since it is larger than the sum of its proper divisors (14092063).

42043233 is a wasteful number, since it uses less digits than its factorization.

42043233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19415.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 42043233 is about 6484.0753388590. The cubic root of 42043233 is about 347.7218926837.

Adding to 42043233 its reverse (33234024), we get a palindrome (75277257).

The spelling of 42043233 in words is "forty-two million, forty-three thousand, two hundred thirty-three".