42003233 has 4 divisors (see below), whose sum is σ = 43358208. Its totient is φ = 40648260.

The previous prime is 42003211. The next prime is 42003239. The reversal of 42003233 is 33230024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42003233 - 2¹² = 41999137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42003239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677441 + ... + 677502.

It is an arithmetic number, because the mean of its divisors is an integer number (10839552).

Almost surely, 2^42003233 is an apocalyptic number.

It is an amenable number.

42003233 is a deficient number, since it is larger than the sum of its proper divisors (1354975).

42003233 is a wasteful number, since it uses less digits than its factorization.

42003233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354974.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 42003233 is about 6480.9901249732. The cubic root of 42003233 is about 347.6115833028.

Adding to 42003233 its reverse (33230024), we get a palindrome (75233257).

The spelling of 42003233 in words is "forty-two million, three thousand, two hundred thirty-three".