42351043 has 6 divisors (see below), whose sum is σ = 49265556. Its totient is φ = 36300852.

The previous prime is 42351041. The next prime is 42351059. The reversal of 42351043 is 34015324.

It is not a de Polignac number, because 42351043 - 2¹ = 42351041 is a prime.

It is a super-2 number, since 2×42351043² = 3587221686375698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42351041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432105 + ... + 432202.

It is an arithmetic number, because the mean of its divisors is an integer number (8210926).

Almost surely, 2^42351043 is an apocalyptic number.

42351043 is a deficient number, since it is larger than the sum of its proper divisors (6914513).

42351043 is an equidigital number, since it uses as much as digits as its factorization.

42351043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864321 (or 864314 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42351043 is about 6507.7678969060. The cubic root of 42351043 is about 348.5684191538.

Adding to 42351043 its reverse (34015324), we get a palindrome (76366367).

The spelling of 42351043 in words is "forty-two million, three hundred fifty-one thousand, forty-three".