42320233133 has 12 divisors (see below), whose sum is σ = 43639666428. Its totient is φ = 41032791360.

The previous prime is 42320233073. The next prime is 42320233159. The reversal of 42320233133 is 33133202324.

It can be written as a sum of positive squares in 2 ways, for example, as 21031380484 + 21288852649 = 145022^2 + 145907^2 .

It is not a de Polignac number, because 42320233133 - 2⁶ = 42320233069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320233733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170843 + ... + 337383.

It is an arithmetic number, because the mean of its divisors is an integer number (3636638869).

Almost surely, 2^42320233133 is an apocalyptic number.

It is an amenable number.

42320233133 is a deficient number, since it is larger than the sum of its proper divisors (1319433295).

42320233133 is an equidigital number, since it uses as much as digits as its factorization.

42320233133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166732 (or 166673 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 42320233133 its reverse (33133202324), we get a palindrome (75453435457).

The spelling of 42320233133 in words is "forty-two billion, three hundred twenty million, two hundred thirty-three thousand, one hundred thirty-three".