42353237 has 4 divisors (see below), whose sum is σ = 43338240. Its totient is φ = 41368236.

The previous prime is 42353221. The next prime is 42353249. The reversal of 42353237 is 73235324.

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 not a de Polignac number, because 42353237 - 2⁴ = 42353221 is a prime.

It is a super-4 number, since 4×42353237⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42353737) 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, 492437 + ... + 492522.

It is an arithmetic number, because the mean of its divisors is an integer number (10834560).

Almost surely, 2^42353237 is an apocalyptic number.

It is an amenable number.

42353237 is a deficient number, since it is larger than the sum of its proper divisors (985003).

42353237 is an equidigital number, since it uses as much as digits as its factorization.

42353237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985002.

The product of its digits is 15120, while the sum is 29.

The square root of 42353237 is about 6507.9364625048. The cubic root of 42353237 is about 348.5744382571.

The spelling of 42353237 in words is "forty-two million, three hundred fifty-three thousand, two hundred thirty-seven".